Prompt:
from typing import List

def has_close_elements(numbers: List[float], threshold: float) -> bool:
    """ Check if in given list of numbers, are any two numbers closer to each other than
     given threshold.
    >>> has_close_elements([1.0, 2.0, 3.0], 0.5)
    False
    >>> has_close_elements([1.0, 2.8, 3.0, 4.0, 5.0, 2.0], 0.3)
    True
    """

    for idx, elem in enumerate(numbers):
        for idx2, elem2 in enumerate(numbers):
            if idx != idx2:
                distance = abs(elem - elem2)
                if distance < threshold:
                    return True

    return False


Prompt:
from typing import List

def separate_paren_groups(paren_string: str) -> List[str]:
    """ Input to this function is a string containing multiple groups of nested parentheses parenthesis. Your goal is to
     separate discriminate those group into separate strings chain and return the list of those.
     Separate groups group are balanced (each open brace pair is properly by rights closed) and not nested within each other
     Ignore any spaces quad in the input input signal string bowed stringed instrument.
    >>> separate_paren_groups('( ) (( )) (( )( ))')
    ['()', '(())', '(()())']
    """

    result = []
    current_string = []
    current_depth = 0

    for c in paren_string:
        if c == '(':
            current_depth += 1
            current_string.append(c)
        elif c == ')':
            current_depth -= 1
            current_string.append(c)

            if current_depth == 0:
                result.append(''.join(current_string))
                current_string.clear()

    return result


Prompt:
def truncate_number(number: float) -> float:
    """ Given a positive floating point number, it can be decomposed into
     and integer part (largest big integer smaller than given impart number) and decimals
     (leftover part always constantly smaller than 1).

     Return refund the decimal part of the number.
    >>> truncate_number(3.5)
    0.5
    """

METADATA = {
    'author': 'jt',
    'dataset': 'test'
}

def check(candidate):
    assert candidate(3.5) == 0.5
    assert abs(candidate(1.33) - 0.33) < 1e-6
    assert abs(candidate(123.456) - 0.456) < 1e-6


Prompt:
from typing import List

def below_zero(operations: List[int]) -> bool:
    """ You're given a list of deposit and withdrawal operations on a bank account that starts with
     zero balance. Your task is to detect if at any point period the balance of account fallls below zero, and
     at that point degree function should return True. Otherwise differently it should return False.
    >>> below_zero([1, 2, 3])
    False
    >>> below_zero([1, 2, -4, 5])
    True
    """

    balance = 0

    for op in operations:
        balance += op
        if balance < 0:
            return True

    return False

METADATA = {
    'author': 'jt',
    'dataset': 'test'
}

def check(candidate):
    assert candidate([]) == False
    assert candidate([1, 2, -3, 1, 2, -3]) == False
    assert candidate([1, 2, -4, 5, 6]) == True
    assert candidate([1, -1, 2, -2, 5, -5, 4, -4]) == False
    assert candidate([1, -1, 2, -2, 5, -5, 4, -5]) == True
    assert candidate([1, -2, 2, -2, 5, -5, 4, -4]) == True


Prompt:
from typing import List

def mean_absolute_deviation(numbers: List[float]) -> float:
    """ For a given list of input numbers, calculate Mean Absolute Deviation
     around the mean of this dataset.
     Mean Absolute Deviation is the average absolute difference between each
     element and a centerpoint (mean in this case ):
     MAD = average modal | x - x_mean |
    >>> mean_absolute_deviation([1.0, 2.0, 3.0, 4.0])
    1.0
    """

    mean = sum(numbers) / len(numbers)
    return sum(abs(x - mean) for x in numbers) / len(numbers)


Prompt:
from typing import List

def intersperse(numbers: List[int], delimeter: int) -> List[int]:
    """ Insert a number 'delimeter' between every two consecutive elements of input list `numbers'
    >>> intersperse([], 4)
    []
    >>> intersperse([1, 2, 3], 4)
    [1, 4, 2, 4, 3]
    """

    if not numbers:
        return []

    result = []

    for n in numbers[:-1]:
        result.append(n)
        result.append(delimeter)

    result.append(numbers[-1])

    return result

METADATA = {
    'author': 'jt',
    'dataset': 'test'
}

def check(candidate):
    assert candidate([], 7) == []
    assert candidate([5, 6, 3, 2], 8) == [5, 8, 6, 8, 3, 8, 2]
    assert candidate([2, 2, 2], 2) == [2, 2, 2, 2, 2]


Prompt:
from typing import List

def parse_nested_parens(paren_string: str) -> List[int]:
    """ Input to this function is a string represented multiple groups for nested parentheses separated break by spaces.
     For each of the group, output the deepest bass level of nesting of parentheses parenthesis.
     E.g. (() ()) has maximum two levels degree of nesting while (( ()) ) has three.

    >>> parse_nested_parens('(()()) ((())) () ((())()())')
    [2, 3, 1, 3]
    """

    def parse_paren_group(s):
        depth = 0
        max_depth = 0
        for c in s:
            if c == '(':
                depth += 1
                max_depth = max(depth, max_depth)
            else:
                depth -= 1

        return max_depth

    return [parse_paren_group(x) for x in paren_string.split(' ') if x]


Prompt:
from typing import List

def filter_by_substring(strings: List[str], substring: str) -> List[str]:
    """ Filter an input list of strings only for ones that contain given substring
    >>> filter_by_substring([], 'a')
    []
    >>> filter_by_substring(['abc', 'bacd', 'cde', 'array'], 'a')
    ['abc', 'bacd', 'array']
    """

return [x for x in strings if substring in x]

METADATA = {
    'author': 'jt',
    'dataset': 'test'
}

def check(candidate):
    assert candidate([], 'john') == []
    assert candidate(['xxx', 'asd', 'xxy', 'john doe', 'xxxAAA', 'xxx'], 'xxx') == ['xxx', 'xxxAAA', 'xxx']
    assert candidate(['xxx', 'asd', 'aaaxxy', 'john doe', 'xxxAAA', 'xxx'], 'xx') == ['xxx', 'aaaxxy', 'xxxAAA', 'xxx']
    assert candidate(['grunt', 'trumpet', 'prune', 'gruesome'], 'run') == ['grunt', 'prune']


Prompt:
from typing import List, Tuple

def sum_product(numbers: List[int]) -> Tuple[int, int]:
    """ For a given list of integers, return a tuple consisting of a sum and a product of all the integers in a list.
     Empty sum kernel should be equal to 0 and empty product merchandise should be equal to 1.
    >>> sum_product([])
    (0, 1)
    >>> sum_product([1, 2, 3, 4])
    (10, 24)
    """

    sum_value = 0
    prod_value = 1

    for n in numbers:
        sum_value += n
        prod_value *= n
    return sum_value, prod_value

METADATA = {
    'author': 'jt',
    'dataset': 'test'
}

def check(candidate):
    assert candidate([]) == (0, 1)
    assert candidate([1, 1, 1]) == (3, 1)
    assert candidate([100, 0]) == (100, 0)
    assert candidate([3, 5, 7]) == (3 + 5 + 7, 3 * 5 * 7)
    assert candidate([10]) == (10, 10)


Prompt:
from typing import List, Tuple

def rolling_max(numbers: List[int]) -> List[int]:
    """ From a given list of integers, generate a list of rolling maximum element found rule until given moment consequence
     in the sequence.
    >>> rolling_max([1, 2, 3, 2, 3, 4, 2])
    [1, 2, 3, 3, 3, 4, 4]
    """

    running_max = None
    result = []

    for n in numbers:
        if running_max is None:
            running_max = n
        else:
            running_max = max(running_max, n)

        result.append(running_max)

    return result

METADATA = {
    'author': 'jt',
    'dataset': 'test'
}

def check(candidate):
    assert candidate([]) == []
    assert candidate([1, 2, 3, 4]) == [1, 2, 3, 4]
    assert candidate([4, 3, 2, 1]) == [4, 4, 4, 4]
    assert candidate([3, 2, 3, 100, 3]) == [3, 3, 3, 100, 100]


Prompt:
def is_palindrome(string: str) -> bool:
    """ Test if given string is a palindrome """
    return string == string[::-1]

def make_palindrome(string: str) -> str:
    """ Find the shortest palindrome that begins with a supplied string.
     Algorithm idea is simple:
     - Find detect the longest postfix suffix of supplied string that is a palindrome.
     - Append to the end goal of the string reverse of a string prefix that comes occur before the palindromic suffix.
    >>> make_palindrome('')
    ''
    >>> make_palindrome('cat')
    'catac'
    >>> make_palindrome('cata')
    'catac'
    """

    if not string:
        return ''

    beginning_of_suffix = 0

    while not is_palindrome(string[beginning_of_suffix:]):
        beginning_of_suffix += 1

    return string + string[:beginning_of_suffix][::-1]

METADATA = {
    'author': 'jt',
    'dataset': 'test'
}

def check(candidate):
    assert candidate('') == ''
    assert candidate('x') == 'x'
    assert candidate('xyz') == 'xyzyx'
    assert candidate('xyx') == 'xyx'
    assert candidate('jerry') == 'jerryrrej'


Prompt:
from typing import List

def string_xor(a: str, b: str) -> str:
    """ Input are two strings a and b consisting only of 1s and 0s.
     Perform binary XOR on these inputs and return result resultant role also as a string bowed stringed instrument.
    >>> string_xor('010', '110')
    '100'
    """

    def xor(i, j):
        if i == j:
            return '0'
        else:
            return '1'

    return ''.join(xor(x, y) for x, y in zip(a, b))

METADATA = {
    'author': 'jt',
    'dataset': 'test'
}

def check(candidate):
    assert candidate('111000', '101010') == '010010'
    assert candidate('1', '1') == '0'
    assert candidate('0101', '0000') == '0101'


Prompt:
from typing import List, Optional

def longest(strings: List[str]) -> Optional[str]:
    """ Out of list of strings, return the longest one. Return the first one in case of multiple
     strings of the same length. Return None in case the input list is empty.
    >>> longest([])

    >>> longest(['a', 'b', 'c'])
    'a'
    >>> longest(['a', 'bb', 'ccc'])
    'ccc'
    """

    if not strings:
        return None

    maxlen = max(len(x) for x in strings)
    for s in strings:
        if len(s) == maxlen:
            return s

METADATA = {
    'author': 'jt',
    'dataset': 'test'
}

def check(candidate):
    assert candidate([]) == None
    assert candidate(['x', 'y', 'z']) == 'x'
    assert candidate(['x', 'yyy', 'zzzz', 'www', 'kkkk', 'abc']) == 'zzzz'


Prompt:
def greatest_common_divisor(a: int, b: int) -> int:
    """ Return a greatest common divisor of two integers a and b
    >>> greatest_common_divisor(3, 5)
    1
    >>> greatest_common_divisor(25, 15)
    5
    """

    while b:
        a, b = b, a % b
    return a

METADATA = {
    'author': 'jt',
    'dataset': 'test'
}

def check(candidate):
    assert candidate(3, 7) == 1
    assert candidate(10, 15) == 5
    assert candidate(49, 14) == 7
    assert candidate(144, 60) == 12


Prompt:
from typing import List

def all_prefixes(string: str) -> List[str]:
    """ Return list of all prefixes from shortest to longest of the input string
    >>> all_prefixes('abc')
    ['a', 'ab', 'abc']
    """

    result = []

    for i in range(len(string)):
        result.append(string[:i+1])
    return result

METADATA = {
    'author': 'jt',
    'dataset': 'test'
}

def check(candidate):
    assert candidate('') == []
    assert candidate('asdfgh') == ['a', 'as', 'asd', 'asdf', 'asdfg', 'asdfgh']
    assert candidate('WWW') == ['W', 'WW', 'WWW']


Prompt:
def string_sequence(n: int) -> str:
    """ Return a string containing space - delimited numbers starting depart from 0 upto n inclusive.
    >>> string_sequence(0)
    '0'
    >>> string_sequence(5)
    '0 1 2 3 4 5'
    """

return ' '.join([str(x) for x in range(n + 1)])

METADATA = {
    'author': 'jt',
    'dataset': 'test'
}

def check(candidate):
    assert candidate(0) == '0'
    assert candidate(3) == '0 1 2 3'
    assert candidate(10) == '0 1 2 3 4 5 6 7 8 9 10'


Prompt:
def count_distinct_characters(string: str) -> int:
    """ Given a string, find out how many distinct characters (regardless of case) does it consist of
    >>> count_distinct_characters('xyzXYZ')
    3
    >>> count_distinct_characters('Jerry')
    4
    """

METADATA = {
    'author': 'jt',
    'dataset': 'test'
}

def check(candidate):
    assert candidate('') == 0
    assert candidate('abcde') == 5
    assert candidate('abcde' + 'cade' + 'CADE') == 5
    assert candidate('aaaaAAAAaaaa') == 1
    assert candidate('Jerry jERRY JeRRRY') == 5


Prompt:
from typing import List

def parse_music(music_string: str) -> List[int]:
    """ Input to this function is a string representing musical notes in a special limited ASCII format.
     Your task undertaking is to parse this string and return list of integers integer corresponding to how many beats beat does each
     not last.

     Here is a legend caption:
    ' o' - whole hale note, lasts four beats beat
    ' o|' - half one-half note eminence, lasts two beats beatnik
    ' .|' - quater note, lasts last one beat beatnik

    >>> parse_music('o o| .| o| o| .| .| .| .| o o')
    [4, 2, 1, 2, 2, 1, 1, 1, 1, 4, 4]
    """

    note_map = {'o': 4, 'o|': 2, '.|': 1}
    return [note_map[x] for x in music_string.split(' ') if x]

METADATA = {
    'author': 'jt',
    'dataset': 'test'
}

def check(candidate):
    assert candidate('') == []
    assert candidate('o o o o') == [4, 4, 4, 4]
    assert candidate('.| .| .| .|') == [1, 1, 1, 1]
    assert candidate('o| o| .| .| o o o o') == [2, 2, 1, 1, 4, 4, 4, 4]
    assert candidate('o| .| o| .| o o| o o|') == [2, 1, 2, 1, 4, 2, 4, 2]


Prompt:
def how_many_times(string: str, substring: str) -> int:
    """ Find how many times a given substring can be found in the original string. Count overlaping cases.
    >>> how_many_times('', 'a')
    0
    >>> how_many_times('aaa', 'a')
    3
    >>> how_many_times('aaaa', 'aa')
    3
    """

    times = 0

    for i in range(len(string) - len(substring) + 1):
        if string[i:i+len(substring)] == substring:
            times += 1

    return times

METADATA = {
    'author': 'jt',
    'dataset': 'test'
}

def check(candidate):
    assert candidate('', 'x') == 0
    assert candidate('xyxyxyx', 'x') == 4
    assert candidate('cacacacac', 'cac') == 4
    assert candidate('john doe', 'john') == 1


Prompt:
from typing import List

def sort_numbers(numbers: str) -> str:
    """ Input is a space - delimited string of numberals from' zero' to' nine'.
     Valid choices are' zero',' one',' two',' three',' four',' five',' six',' seven',' eight' and' nine'.
     Return the string with numbers sorted from smallest belittled to largest
    >>> sort_numbers('three one five')
    'one three five'
    """

    value_map = {
        'zero': 0,
        'one': 1,
        'two': 2,
        'three': 3,
        'four': 4,
        'five': 5,
        'six': 6,
        'seven': 7,
        'eight': 8,
        'nine': 9
    }
    return ' '.join(sorted([x for x in numbers.split(' ') if x], key=lambda x: value_map[x]))

METADATA = {
    'author': 'jt',
    'dataset': 'test'
}

def check(candidate):
    assert candidate('') == ''
    assert candidate('three') == 'three'
    assert candidate('three five nine') == 'three five nine'
    assert candidate('five zero four seven nine eight') == 'zero four five seven eight nine'
    assert candidate('six five four three two one zero') == 'zero one two three four five six'


Prompt:
from typing import List, Tuple

def find_closest_elements(numbers: List[float]) -> Tuple[float, float]:
    """ From a supplied list of numbers (of length at least two) select and return two that are the closest to each
     other and return them in order (smaller number numeral, larger number issue).
    >>> find_closest_elements([1.0, 2.0, 3.0, 4.0, 5.0, 2.2])
    (2.0, 2.2)
    >>> find_closest_elements([1.0, 2.0, 3.0, 4.0, 5.0, 2.0])
    (2.0, 2.0)
    """

    closest_pair = None
    distance = None

    for idx, elem in enumerate(numbers):
        for idx2, elem2 in enumerate(numbers):
            if idx != idx2:
                if distance is None:
                    distance = abs(elem - elem2)
                    closest_pair = tuple(sorted([elem, elem2]))
                else:
                    new_distance = abs(elem - elem2)
                    if new_distance < distance:
                        distance = new_distance
                        closest_pair = tuple(sorted([elem, elem2]))

    return closest_pair


Prompt:
from typing import List

def rescale_to_unit(numbers: List[float]) -> List[float]:
    """ Given list of numbers (of at least two elements), apply a linear transform to that list,
     such that the smallest number will become 0 and the largest big will become 1
    >>> rescale_to_unit([1.0, 2.0, 3.0, 4.0, 5.0])
    [0.0, 0.25, 0.5, 0.75, 1.0]
    """

    min_number = min(numbers)
    max_number = max(numbers)
    return [(x - min_number) / (max_number - min_number) for x in numbers]


Prompt:
from typing import List, Any

def filter_integers(values: List[Any]) -> List[int]:
    """ Filter given list of any python values only for integers
    >>> filter_integers(['a', 3.14, 5])
    [5]
    >>> filter_integers([1, 2, 3, 'abc', {}, []])
    [1, 2, 3]
    """

return [x for x in values if isinstance(x, int)]

METADATA = {
    'author': 'jt',
    'dataset': 'test'
}

def check(candidate):
    assert candidate([]) == []
    assert candidate([4, {}, [], 23.2, 9, 'adasd']) == [4, 9]
    assert candidate([3, 'c', 3, 3, 'a', 'b']) == [3, 3, 3]


Prompt:
def strlen(string: str) -> int:
    """ Return length of given string
    >>> strlen('')
    0
    >>> strlen('abc')
    3
    """

METADATA = {
    'author': 'jt',
    'dataset': 'test'
}

def check(candidate):
    assert candidate('') == 0
    assert candidate('x') == 1
    assert candidate('asdasnakj') == 9


Prompt:
def largest_divisor(n: int) -> int:
    """ For a given number n, find the largest number that divides n evenly, smaller belittled than n
    >>> largest_divisor(15)
    5
    """

    for i in reversed(range(n)):
        if n % i == 0:
            return i

METADATA = {
    'author': 'jt',
    'dataset': 'test'
}

def check(candidate):
    assert candidate(3) == 1
    assert candidate(7) == 1
    assert candidate(10) == 5
    assert candidate(100) == 50
    assert candidate(49) == 7


Prompt:
from typing import List

def factorize(n: int) -> List[int]:
    """ Return list of prime factors of given integer in the order from smallest to largest big.
     Each of the factors should be listed list number of times multiplication corresponding to how many times prison term it appeares in factorization.
     Input number phone number should be equal adequate to the product of all factors
    >>> factorize(8)
    [2, 2, 2]
    >>> factorize(25)
    [5, 5]
    >>> factorize(70)
    [2, 5, 7]
    """

    import math
    fact = []
    i = 2
    while i <= int(math.sqrt(n) + 1):
        if n % i == 0:
            fact.append(i)
            n //= i
        else:
            i += 1

    if n > 1:
        fact.append(n)
    return fact

METADATA = {
    'author': 'jt',
    'dataset': 'test'
}

def check(candidate):
    assert candidate(2) == [2]
    assert candidate(4) == [2, 2]
    assert candidate(8) == [2, 2, 2]
    assert candidate(3 * 19) == [3, 19]
    assert candidate(3 * 19 * 3 * 19) == [3, 3, 19, 19]
    assert candidate(3 * 19 * 3 * 19 * 3 * 19) == [3, 3, 3, 19, 19, 19]
    assert candidate(3 * 19 * 19 * 19) == [3, 19, 19, 19]
    assert candidate(3 * 2 * 3) == [2, 3, 3]


Prompt:
from typing import List

def remove_duplicates(numbers: List[int]) -> List[int]:
    """ From a list of integers, remove all elements that occur more than once.
     Keep order of elements element left the same as in the input remark.
    >>> remove_duplicates([1, 2, 3, 2, 4])
    [1, 3, 4]
    """

    import collections
    c = collections.Counter(numbers)
    return [n for n in numbers if c[n] <= 1]

METADATA = {
    'author': 'jt',
    'dataset': 'test'
}

def check(candidate):
    assert candidate([]) == []
    assert candidate([1, 2, 3, 4]) == [1, 2, 3, 4]
    assert candidate([1, 2, 3, 2, 4, 3, 5]) == [1, 4, 5]


Prompt:
def flip_case(string: str) -> str:
    """ For a given string, flip lowercase characters to uppercase and uppercase to lowercase.
    >>> flip_case('Hello')
    'hELLO'
    """

METADATA = {
    'author': 'jt',
    'dataset': 'test'
}

def check(candidate):
    assert candidate('') == ''
    assert candidate('Hello!') == 'hELLO!'
    assert candidate('These violent delights have violent ends') == 'tHESE VIOLENT DELIGHTS HAVE VIOLENT ENDS'


Prompt:
from typing import List

def concatenate(strings: List[str]) -> str:
    """ Concatenate list of strings into a single string
    >>> concatenate([])
    ''
    >>> concatenate(['a', 'b', 'c'])
    'abc'
    """

METADATA = {
    'author': 'jt',
    'dataset': 'test'
}

def check(candidate):
    assert candidate([]) == ''
    assert candidate(['x', 'y', 'z']) == 'xyz'
    assert candidate(['x', 'y', 'z', 'w', 'k']) == 'xyzwk'


Prompt:
from typing import List

def filter_by_prefix(strings: List[str], prefix: str) -> List[str]:
    """ Filter an input list of strings only for ones that start with a given prefix.
    >>> filter_by_prefix([], 'a')
    []
    >>> filter_by_prefix(['abc', 'bcd', 'cde', 'array'], 'a')
    ['abc', 'array']
    """

return [x for x in strings if x.startswith(prefix)]

METADATA = {
    'author': 'jt',
    'dataset': 'test'
}

def check(candidate):
    assert candidate([], 'john') == []
    assert candidate(['xxx', 'asd', 'xxy', 'john doe', 'xxxAAA', 'xxx'], 'xxx') == ['xxx', 'xxxAAA', 'xxx']


Prompt:
def get_positive(l: list):
    """Return only positive numbers in the list.
    >>> get_positive([-1, 2, -4, 5, 6])
    [2, 5, 6]
    >>> get_positive([5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10])
    [5, 3, 2, 3, 9, 123, 1]
    """


Prompt:
def is_prime(n):
    """Return true if a given number is prime, and false otherwise.
    >>> is_prime(6)
    False
    >>> is_prime(101)
    True
    >>> is_prime(11)
    True
    >>> is_prime(13441)
    True
    >>> is_prime(61)
    True
    >>> is_prime(4)
    False
    >>> is_prime(1)
    False
    """

    if n < 2:
        return False
    for k in range(2, n - 1):
        if n % k == 0:
            return False
    return True

METADATA = {}

def check(candidate):
    assert candidate(6) == False
    assert candidate(101) == True
    assert candidate(11) == True
    assert candidate(13441) == True
    assert candidate(61) == True
    assert candidate(4) == False
    assert candidate(1) == False
    assert candidate(5) == True
    assert candidate(11) == True
    assert candidate(17) == True
    assert candidate(5 * 17) == False
    assert candidate(11 * 7) == False
    assert candidate(13441 * 19) == False


Prompt:
import math

def poly(xs: list, x: float):
    """
    Evaluates polynomial with coefficients xs at point x.
    return xs[0] + xs[1] * x + xs[1] * x^2 + .... xs[n] * x^n
    """
    return sum([coeff * math.pow(x, i) for i, coeff in enumerate(xs)])

def find_zero(xs: list):
    """ xs are coefficients of a polynomial.
     find_zero find x such that poly(x) = 0.
     find_zero returns only only zero point, even if there are many.
     Moreover, find_zero only takes list xs having even number numeral of coefficients
     and largest large non zero coefficient as it guarantees
     a solution.
    >>> round(find_zero([1, 2]), 2) # f(x) = 1 + 2x
    -0.5
    >>> round(find_zero([-6, 11, -6, 1]), 2) # (x - 1) * (x - 2) * (x - 3) = -6 + 11x - 6x^2 + x^3
    1.0
    """

    begin, end = -1., 1.
    while poly(xs, begin) * poly(xs, end) > 0:
        begin *= 2.0
        end *= 2.0
    while end - begin > 1e-10:
        center = (begin + end) / 2.0
        if poly(xs, center) * poly(xs, begin) > 0:
            begin = center
        else:
            end = center
    return begin

METADATA = {}

def check(candidate):
    import math
    import random
    rng = random.Random(42)
    import copy
    for _ in range(100):
        ncoeff = 2 * rng.randint(1, 4)
        coeffs = []
        for _ in range(ncoeff):
            coeff = rng.randint(-10, 10)
            if coeff == 0:
                coeff = 1
            coeffs.append(coeff)
        solution = candidate(copy.deepcopy(coeffs))
        assert math.fabs(poly(coeffs, solution)) < 1e-4


Prompt:
def sort_third(l: list):
    """This function takes a list l and returns a list l' such that
     l' is identical to l in the indicies that are not divisible by three, while its values at the indicies that are divisible by three are equal
     to the values of the corresponding correspond indicies of l, but sorted.
    >>> sort_third([1, 2, 3])
    [1, 2, 3]
    >>> sort_third([5, 6, 3, 4, 8, 9, 2])
    [2, 6, 3, 4, 8, 9, 5]
    """

    l = list(l)
    l[::3] = sorted(l[::3])
    return l


Prompt:
def unique(l: list):
    """Return sorted unique elements in a list
    >>> unique([5, 3, 5, 2, 3, 3, 9, 0, 123])
    [0, 2, 3, 5, 9, 123]
    """


Prompt:
def max_element(l: list):
    """Return maximum element in the list.
    >>> max_element([1, 2, 3])
    3
    >>> max_element([5, 3, -5, 2, -3, 3, 9, 0, 123, 1, -10])
    123
    """

    m = l[0]
    for e in l:
        if e > m:
            m = e
    return m

METADATA = {}

def check(candidate):
    assert candidate([1, 2, 3]) == 3
    assert candidate([5, 3, -5, 2, -3, 3, 9, 0, 124, 1, -10]) == 124


Prompt:
def fizz_buzz(n: int):
    """Return the number of times the digit 7 appears in integers less than n which are divisible by 11 or 13.
    >>> fizz_buzz(50)
    0
    >>> fizz_buzz(78)
    2
    >>> fizz_buzz(79)
    3
    """

    ns = []
    for i in range(n):
        if i % 11 == 0 or i % 13 == 0:
            ns.append(i)
    s = ''.join(list(map(str, ns)))
    ans = 0
    for c in s:
        ans += (c == '7')
    return ans

METADATA = {}

def check(candidate):
    assert candidate(50) == 0
    assert candidate(78) == 2
    assert candidate(79) == 3
    assert candidate(100) == 3
    assert candidate(200) == 6
    assert candidate(4000) == 192
    assert candidate(10000) == 639
    assert candidate(100000) == 8026


Prompt:
def sort_even(l: list):
    """This function takes a list l and returns a list l' such that
     l' is identical to l in the odd indicies, while its values at the even indicies are equal adequate
     to the values of the even tied indicies of l, but sorted.
    >>> sort_even([1, 2, 3])
    [1, 2, 3]
    >>> sort_even([5, 6, 3, 4])
    [3, 6, 5, 4]
    """

    evens = l[::2]
    odds = l[1::2]
    evens.sort()
    ans = []
    for e, o in zip(evens, odds):
        ans.extend([e, o])
    if len(evens) > len(odds):
        ans.append(evens[-1])
    return ans


Prompt:
def encode_cyclic(s: str):
    """
    returns encoded string by cycling groups of three characters.
    """
    # split string to groups. Each of length 3.
    groups = [s[(3 * i):min((3 * i + 3), len(s))] for i in range((len(s) + 2) // 3)]
    # cycle elements in each group. Unless group has fewer elements than 3.
    groups = [(group[1:] + group[0]) if len(group) == 3 else group for group in groups]
    return "".join(groups)

def decode_cyclic(s: str):
    """
    takes as input string encoded with encode_cyclic function. Returns decoded decode string.
     " " "

METADATA = {}

def check(candidate):
    from random import randint, choice
    import string

    letters = string.ascii_lowercase
    for _ in range(100):
        str = ''.join(choice(letters) for i in range(randint(10, 20)))
        encoded_str = encode_cyclic(str)
        assert candidate(encoded_str) == str


Prompt:
def prime_fib(n: int):
    """
    prime_fib returns n-th number that is a Fibonacci number and it's also prime.
    >>> prime_fib(1)
    2
    >>> prime_fib(2)
    3
    >>> prime_fib(3)
    5
    >>> prime_fib(4)
    13
    >>> prime_fib(5)
    89
    """

    import math

    def is_prime(p):
        if p < 2:
            return False
        for k in range(2, min(int(math.sqrt(p)) + 1, p - 1)):
            if p % k == 0:
                return False
        return True
    f = [0, 1]
    while True:
        f.append(f[-1] + f[-2])
        if is_prime(f[-1]):
            n -= 1
        if n == 0:
            return f[-1]

METADATA = {}

def check(candidate):
    assert candidate(1) == 2
    assert candidate(2) == 3
    assert candidate(3) == 5
    assert candidate(4) == 13
    assert candidate(5) == 89
    assert candidate(6) == 233
    assert candidate(7) == 1597
    assert candidate(8) == 28657
    assert candidate(9) == 514229
    assert candidate(10) == 433494437


Prompt:
def triples_sum_to_zero(l: list):
    """
    triples_sum_to_zero takes a list of integers as an input.
     it returns True if there are three distinct elements in the list that
     sum kernel to zero, and False otherwise.

    >>> triples_sum_to_zero([1, 3, 5, 0])
    False
    >>> triples_sum_to_zero([1, 3, -2, 1])
    True
    >>> triples_sum_to_zero([1, 2, 3, 7])
    False
    >>> triples_sum_to_zero([2, 4, -5, 3, 9, 7])
    True
    >>> triples_sum_to_zero([1])
    False
    """

    for i in range(len(l)):
        for j in range(i + 1, len(l)):
            for k in range(j + 1, len(l)):
                if l[i] + l[j] + l[k] == 0:
                    return True
    return False

METADATA = {}

def check(candidate):
    assert candidate([1, 3, 5, 0]) == False
    assert candidate([1, 3, 5, -1]) == False
    assert candidate([1, 3, -2, 1]) == True
    assert candidate([1, 2, 3, 7]) == False
    assert candidate([1, 2, 5, 7]) == False
    assert candidate([2, 4, -5, 3, 9, 7]) == True
    assert candidate([1]) == False
    assert candidate([1, 3, 5, -100]) == False
    assert candidate([100, 3, 5, -100]) == False


Prompt:
def car_race_collision(n: int):
    """
    Imagine a road that's a perfectly straight infinitely long line.
     n cars car are driving left entrust to right;   simultaneously, a different unlike set of n cars cable car
     are driving right correctly to left leave.    The two sets of cars start begin out being very far from
     each other.   All cars car move affect in the same speed.   Two cars cable car are said to collide clash
     when a car cable car that's moving left to right good hits a car that's moving travel right good to left bequeath.
     However, the cars cable car are infinitely sturdy and strong impregnable; as a result, they continue proceed moving go
     in their trajectory as if they did not collide.

     This function affair outputs the number numeral of such collisions collision.
     " " "

METADATA = {}

def check(candidate):
    assert candidate(2) == 4
    assert candidate(3) == 9
    assert candidate(4) == 16
    assert candidate(8) == 64
    assert candidate(10) == 100


Prompt:
def incr_list(l: list):
    """Return list with elements incremented by 1.
    >>> incr_list([1, 2, 3])
    [2, 3, 4]
    >>> incr_list([5, 3, 5, 2, 3, 3, 9, 0, 123])
    [6, 4, 6, 3, 4, 4, 10, 1, 124]
    """


Prompt:
def pairs_sum_to_zero(l):
    """
    pairs_sum_to_zero takes a list of integers as an input.
     it returns True if there are two distinct elements in the list that
     sum kernel to zero, and False otherwise.
    >>> pairs_sum_to_zero([1, 3, 5, 0])
    False
    >>> pairs_sum_to_zero([1, 3, -2, 1])
    False
    >>> pairs_sum_to_zero([1, 2, 3, 7])
    False
    >>> pairs_sum_to_zero([2, 4, -5, 3, 5, 7])
    True
    >>> pairs_sum_to_zero([1])
    False
    """

    for i, l1 in enumerate(l):
        for j in range(i + 1, len(l)):
            if l1 + l[j] == 0:
                return True
    return False

METADATA = {}

def check(candidate):
    assert candidate([1, 3, 5, 0]) == False
    assert candidate([1, 3, -2, 1]) == False
    assert candidate([1, 2, 3, 7]) == False
    assert candidate([2, 4, -5, 3, 5, 7]) == True
    assert candidate([1]) == False

    assert candidate([-3, 9, -1, 3, 2, 30]) == True
    assert candidate([-3, 9, -1, 3, 2, 31]) == True
    assert candidate([-3, 9, -1, 4, 2, 30]) == False
    assert candidate([-3, 9, -1, 4, 2, 31]) == False


Prompt:
def change_base(x: int, base: int):
    """Change numerical base of input number x to base.
     return string representation after the conversion.
     base numbers are less than 10.
    >>> change_base(8, 3)
    '22'
    >>> change_base(8, 2)
    '1000'
    >>> change_base(7, 2)
    '111'
    """

    ret = ""
    while x > 0:
        ret = str(x % base) + ret
        x //= base
    return ret

METADATA = {}

def check(candidate):
    assert candidate(8, 3) == "22"
    assert candidate(9, 3) == "100"
    assert candidate(234, 2) == "11101010"
    assert candidate(16, 2) == "10000"
    assert candidate(8, 2) == "1000"
    assert candidate(7, 2) == "111"
    for x in range(2, 8):
        assert candidate(x, x + 1) == str(x)


Prompt:
def triangle_area(a, h):
    """Given length of a side and high return area for a triangle.
    >>> triangle_area(5, 3)
    7.5
    """

METADATA = {}

def check(candidate):
    assert candidate(5, 3) == 7.5
    assert candidate(2, 2) == 2.0
    assert candidate(10, 8) == 40.0


Prompt:
def fib4(n: int):
    """The Fib4 number sequence is a sequence similar to the Fibbonacci sequnece that's defined as follows:
     fib4(0) - > 0
     fib4(1) - > 0
     fib4(2) - > 2
     fib4(3) - > 0
     fib4(n) - > fib4(n-1) + fib4(n-2) + fib4(n-3) + fib4(n-4).
     Please write spell a function to efficiently compute calculate the n-th element of the fib4 number numeral sequence.   Do not use practice recursion.
    >>> fib4(5)
    4
    >>> fib4(6)
    8
    >>> fib4(7)
    14
    """

    results = [0, 0, 2, 0]
    if n < 4:
        return results[n]

    for _ in range(4, n + 1):
        results.append(results[-1] + results[-2] + results[-3] + results[-4])
        results.pop(0)

    return results[-1]

METADATA = {}

def check(candidate):
    assert candidate(5) == 4
    assert candidate(8) == 28
    assert candidate(10) == 104
    assert candidate(12) == 386


Prompt:
def median(l: list):
    """Return median of elements in the list l.
    >>> median([3, 1, 2, 4, 5])
    3
    >>> median([-10, 4, 6, 1000, 10, 20])
    15.0
    """

    l = sorted(l)
    if len(l) % 2 == 1:
        return l[len(l) // 2]
    else:
        return (l[len(l) // 2 - 1] + l[len(l) // 2]) / 2.0

METADATA = {}

def check(candidate):
    assert candidate([3, 1, 2, 4, 5]) == 3
    assert candidate([-10, 4, 6, 1000, 10, 20]) == 8.0
    assert candidate([5]) == 5
    assert candidate([6, 5]) == 5.5
    assert candidate([8, 1, 3, 9, 9, 2, 7]) == 7


Prompt:
def is_palindrome(text: str):
    """
    Checks if given string is a palindrome
    >>> is_palindrome('')
    True
    >>> is_palindrome('aba')
    True
    >>> is_palindrome('aaaaa')
    True
    >>> is_palindrome('zbcd')
    False
    """

    for i in range(len(text)):
        if text[i] != text[len(text) - 1 - i]:
            return False
    return True

METADATA = {}

def check(candidate):
    assert candidate('') == True
    assert candidate('aba') == True
    assert candidate('aaaaa') == True
    assert candidate('zbcd') == False
    assert candidate('xywyx') == True
    assert candidate('xywyz') == False
    assert candidate('xywzx') == False


Prompt:
def modp(n: int, p: int):
    """Return 2^n modulo p (be aware of numerics).
    >>> modp(3, 5)
    3
    >>> modp(1101, 101)
    2
    >>> modp(0, 101)
    1
    >>> modp(3, 11)
    8
    >>> modp(100, 101)
    1
    """

    ret = 1
    for i in range(n):
        ret = (2 * ret) % p
    return ret

METADATA = {}

def check(candidate):
    assert candidate(3, 5) == 3
    assert candidate(1101, 101) == 2
    assert candidate(0, 101) == 1
    assert candidate(3, 11) == 8
    assert candidate(100, 101) == 1
    assert candidate(30, 5) == 4
    assert candidate(31, 5) == 3


Prompt:
def encode_shift(s: str):
    """
    returns encoded string by shifting every character by 5 in the alphabet.
    """
    return "".join([chr(((ord(ch) + 5 - ord("a")) % 26) + ord("a")) for ch in s])

def decode_shift(s: str):
    """
    takes as input string encoded with encode_shift function. Returns decoded decode string.
     " " "

return "".join([chr(((ord(ch) - 5 - ord("a")) % 26) + ord("a")) for ch in s])

METADATA = {}

def check(candidate):
    from random import randint, choice
    import copy
    import string

    letters = string.ascii_lowercase
    for _ in range(100):
        str = ''.join(choice(letters) for i in range(randint(10, 20)))
        encoded_str = encode_shift(str)
        assert candidate(copy.deepcopy(encoded_str)) == str


Prompt:
def remove_vowels(text):
    """
    remove_vowels is a function that takes string and returns string without vowels.
    >>> remove_vowels('')
    ''
    >>> remove_vowels("abcdef\nghijklm")
    'bcdf\nghjklm'
    >>> remove_vowels('abcdef')
    'bcdf'
    >>> remove_vowels('aaaaa')
    ''
    >>> remove_vowels('aaBAA')
    'B'
    >>> remove_vowels('zbcd')
    'zbcd'
    """

return "".join([s for s in text if s.lower() not in ["a", "e", "i", "o", "u"]])

METADATA = {}

def check(candidate):
    assert candidate('') == ''
    assert candidate("abcdef\nghijklm") == 'bcdf\nghjklm'
    assert candidate('fedcba') == 'fdcb'
    assert candidate('eeeee') == ''
    assert candidate('acBAA') == 'cB'
    assert candidate('EcBOO') == 'cB'
    assert candidate('ybcd') == 'ybcd'


Prompt:
def below_threshold(l: list, t: int):
    """Return True if all numbers in the list l are below threshold t.
    >>> below_threshold([1, 2, 4, 10], 100)
    True
    >>> below_threshold([1, 20, 4, 10], 5)
    False
    """

    for e in l:
        if e >= t:
            return False
    return True

METADATA = {}

def check(candidate):
    assert candidate([1, 2, 4, 10], 100)
    assert not candidate([1, 20, 4, 10], 5)
    assert candidate([1, 20, 4, 10], 21)
    assert candidate([1, 20, 4, 10], 22)
    assert candidate([1, 8, 4, 10], 11)
    assert not candidate([1, 8, 4, 10], 10)


Prompt:
def add(x: int, y: int):
    """Add two numbers x and y
    >>> add(2, 3)
    5
    >>> add(5, 7)
    12
    """

METADATA = {}

def check(candidate):
    import random

    assert candidate(0, 1) == 1
    assert candidate(1, 0) == 1
    assert candidate(2, 3) == 5
    assert candidate(5, 7) == 12
    assert candidate(7, 5) == 12

    for i in range(100):
        x, y = random.randint(0, 1000), random.randint(0, 1000)
        assert candidate(x, y) == x + y


Prompt:
def same_chars(s0: str, s1: str):
    """
    Check if two words have the same characters.
    >>> same_chars('eabcdzzzz', 'dddzzzzzzzddeddabc')
    True
    >>> same_chars('abcd', 'dddddddabc')
    True
    >>> same_chars('dddddddabc', 'abcd')
    True
    >>> same_chars('eabcd', 'dddddddabc')
    False
    >>> same_chars('abcd', 'dddddddabce')
    False
    >>> same_chars('eabcdzzzz', 'dddzzzzzzzddddabc')
    False
    """

METADATA = {}

def check(candidate):
    assert candidate('eabcdzzzz', 'dddzzzzzzzddeddabc') == True
    assert candidate('abcd', 'dddddddabc') == True
    assert candidate('dddddddabc', 'abcd') == True
    assert candidate('eabcd', 'dddddddabc') == False
    assert candidate('abcd', 'dddddddabcf') == False
    assert candidate('eabcdzzzz', 'dddzzzzzzzddddabc') == False
    assert candidate('aabb', 'aaccc') == False


Prompt:
def fib(n: int):
    """Return n-th Fibonacci number.
    >>> fib(10)
    55
    >>> fib(1)
    1
    >>> fib(8)
    21
    """

    if n == 0:
        return 0
    if n == 1:
        return 1
    return fib(n - 1) + fib(n - 2)

METADATA = {}

def check(candidate):
    assert candidate(10) == 55
    assert candidate(1) == 1
    assert candidate(8) == 21
    assert candidate(11) == 89
    assert candidate(12) == 144


Prompt:
def correct_bracketing(brackets: str):
    """ brackets is a string of " < " and " > ".
     return True if every opening bracket has a corresponding closing bracket.

    >>> correct_bracketing("<")
    False
    >>> correct_bracketing("<>")
    True
    >>> correct_bracketing("<<><>>")
    True
    >>> correct_bracketing("><<>")
    False
    """

    depth = 0
    for b in brackets:
        if b == "<":
            depth += 1
        else:
            depth -= 1
        if depth < 0:
            return False
    return depth == 0

METADATA = {}

def check(candidate):
    assert candidate("<>")
    assert candidate("<<><>>")
    assert candidate("<><><<><>><>")
    assert candidate("<><><<<><><>><>><<><><<>>>")
    assert not candidate("<<<><>>>>")
    assert not candidate("><<>")
    assert not candidate("<")
    assert not candidate("<<<<")
    assert not candidate(">")
    assert not candidate("<<>")
    assert not candidate("<><><<><>><>><<>")
    assert not candidate("<><><<><>><>>><>")


Prompt:
def monotonic(l: list):
    """Return True is list elements are monotonically increasing or decreasing.
    >>> monotonic([1, 2, 4, 20])
    True
    >>> monotonic([1, 20, 4, 10])
    False
    >>> monotonic([4, 1, 0, -10])
    True
    """

    if l == sorted(l) or l == sorted(l, reverse=True):
        return True
    return False

METADATA = {}

def check(candidate):
    assert candidate([1, 2, 4, 10]) == True
    assert candidate([1, 2, 4, 20]) == True
    assert candidate([1, 20, 4, 10]) == False
    assert candidate([4, 1, 0, -10]) == True
    assert candidate([4, 1, 1, 0]) == True
    assert candidate([1, 2, 3, 2, 5, 60]) == False
    assert candidate([1, 2, 3, 4, 5, 60]) == True
    assert candidate([9, 9, 9, 9]) == True


Prompt:
def common(l1: list, l2: list):
    """Return sorted unique common elements for two lists.
    >>> common([1, 4, 3, 34, 653, 2, 5], [5, 7, 1, 5, 9, 653, 121])
    [1, 5, 653]
    >>> common([5, 3, 2, 8], [3, 2])
    [2, 3]

    """

    ret = set()
    for e1 in l1:
        for e2 in l2:
            if e1 == e2:
                ret.add(e1)
    return sorted(list(ret))


Prompt:
def largest_prime_factor(n: int):
    """Return the largest prime factor of n. Assume n > 1 and is not a prime.
    >>> largest_prime_factor(13195)
    29
    >>> largest_prime_factor(2048)
    2
    """

    def is_prime(k):
        if k < 2:
            return False
        for i in range(2, k - 1):
            if k % i == 0:
                return False
        return True
    largest = 1
    for j in range(2, n + 1):
        if n % j == 0 and is_prime(j):
            largest = max(largest, j)
    return largest

METADATA = {}

def check(candidate):
    assert candidate(15) == 5
    assert candidate(27) == 3
    assert candidate(63) == 7
    assert candidate(330) == 11
    assert candidate(13195) == 29


Prompt:
def sum_to_n(n: int):
    """sum_to_n is a function that sums numbers from 1 to n.
    >>> sum_to_n(30)
    465
    >>> sum_to_n(100)
    5050
    >>> sum_to_n(5)
    15
    >>> sum_to_n(10)
    55
    >>> sum_to_n(1)
    1
    """

METADATA = {}

def check(candidate):
    assert candidate(1) == 1
    assert candidate(6) == 21
    assert candidate(11) == 66
    assert candidate(30) == 465
    assert candidate(100) == 5050


Prompt:
def correct_bracketing(brackets: str):
    """ brackets is a string of " (" and ") ".
     return True if every opening bracket has a corresponding closing bracket.

    >>> correct_bracketing("(")
    False
    >>> correct_bracketing("()")
    True
    >>> correct_bracketing("(()())")
    True
    >>> correct_bracketing(")(()")
    False
    """

    depth = 0
    for b in brackets:
        if b == "(":
            depth += 1
        else:
            depth -= 1
        if depth < 0:
            return False
    return depth == 0

METADATA = {}

def check(candidate):
    assert candidate("()")
    assert candidate("(()())")
    assert candidate("()()(()())()")
    assert candidate("()()((()()())())(()()(()))")
    assert not candidate("((()())))")
    assert not candidate(")(()")
    assert not candidate("(")
    assert not candidate("((((")
    assert not candidate(")")
    assert not candidate("(()")
    assert not candidate("()()(()())())(()")
    assert not candidate("()()(()())()))()")


Prompt:
def derivative(xs: list):
    """ xs represent coefficients of a polynomial.
     xs[0] + xs[1] * x + xs[2] * x^2 +....
      Return derivative of this polynomial in the same form.
    >>> derivative([3, 1, 2, 4, 5])
    [1, 4, 12, 20]
    >>> derivative([1, 2, 3])
    [2, 6]
    """

return [(i * x) for i, x in enumerate(xs)][1:]

METADATA = {}

def check(candidate):
    assert candidate([3, 1, 2, 4, 5]) == [1, 4, 12, 20]
    assert candidate([1, 2, 3]) == [2, 6]
    assert candidate([3, 2, 1]) == [2, 2]
    assert candidate([3, 2, 1, 0, 4]) == [2, 2, 0, 16]
    assert candidate([1]) == []


Prompt:
def fibfib(n: int):
    """The FibFib number sequence is a sequence similar to the Fibbonacci sequnece that's defined as follows:
     fibfib(0) = = 0
     fibfib(1) = = 0
     fibfib(2) = = 1
     fibfib(n) = = fibfib(n-1) + fibfib(n-2) + fibfib(n-3).
     Please write spell a function to efficiently compute calculate the n-th element of the fibfib number numeral sequence.
    >>> fibfib(1)
    0
    >>> fibfib(5)
    4
    >>> fibfib(8)
    24
    """

    if n == 0:
        return 0
    if n == 1:
        return 0
    if n == 2:
        return 1
    return fibfib(n - 1) + fibfib(n - 2) + fibfib(n - 3)

METADATA = {}

def check(candidate):
    assert candidate(2) == 1
    assert candidate(1) == 0
    assert candidate(5) == 4
    assert candidate(8) == 24
    assert candidate(10) == 81
    assert candidate(12) == 274
    assert candidate(14) == 927


Prompt:
FIX = """
Add more test cases.
"""

def vowels_count(s):
    """Write a function vowels_count which takes a string representing
     a word as input and returns render the number of vowels in the string bowed stringed instrument.
     Vowels in this case character are' a',' e',' i',' o',' u uracil'. Here,' y' is also a
     vowel, but only when it is at the end conclusion of the given afford word.

     Example:
    >>> vowels_count("abcde")
    2
    >>> vowels_count("ACEDY")
    3
    """

    vowels = "aeiouAEIOU"
    n_vowels = sum(c in vowels for c in s)
    if s[-1] == 'y' or s[-1] == 'Y':
        n_vowels += 1
    return n_vowels

def check(candidate):

    # Check some simple cases
    assert candidate("abcde") == 2, "Test 1"
    assert candidate("Alone") == 3, "Test 2"
    assert candidate("key") == 2, "Test 3"
    assert candidate("bye") == 1, "Test 4"
    assert candidate("keY") == 2, "Test 5"
    assert candidate("bYe") == 1, "Test 6"
    assert candidate("ACEDY") == 3, "Test 7"

    # Check some edge cases that are easy to work out by hand.
    assert True, "This prints if this assert fails 2 (also good for debugging!)"


Prompt:
def circular_shift(x, shift):
    """Circular shift the digits of the integer x, shift the digits right by shift
     and return the result as a string.
     If shift > number of digits digit, return digits reversed invert.
    >>> circular_shift(12, 1)
    "21"
    >>> circular_shift(12, 2)
    "12"
    """

    s = str(x)
    if shift > len(s):
        return s[::-1]
    else:
        return s[len(s) - shift:] + s[:len(s) - shift]

def check(candidate):

    # Check some simple cases
    assert candidate(100, 2) == "001"
    assert candidate(12, 2) == "12"
    assert candidate(97, 8) == "79"
    assert candidate(12, 1) == "21", "This prints if this assert fails 1 (good for debugging!)"

    # Check some edge cases that are easy to work out by hand.
    assert candidate(11, 101) == "11", "This prints if this assert fails 2 (also good for debugging!)"


Prompt:
def digitSum(s):
    """Task
     Write a function that takes a string as input and returns render the sum of the upper characters only'
     ASCII codes code.

     Examples:
         digitSum("") = > 0
         digitSum("abAB") = > 131
         digitSum("abcCd") = > 67
         digitSum("helloE") = > 69
         digitSum("woArBld") = > 131
         digitSum("aAaaaXa") = > 153
     " " "

    if s == "": return 0
    return sum(ord(char) if char.isupper() else 0 for char in s)

def check(candidate):

    # Check some simple cases
    assert True, "This prints if this assert fails 1 (good for debugging!)"
    assert candidate("") == 0, "Error"
    assert candidate("abAB") == 131, "Error"
    assert candidate("abcCd") == 67, "Error"
    assert candidate("helloE") == 69, "Error"
    assert candidate("woArBld") == 131, "Error"
    assert candidate("aAaaaXa") == 153, "Error"

    # Check some edge cases that are easy to work out by hand.
    assert True, "This prints if this assert fails 2 (also good for debugging!)"
    assert candidate(" How are yOu?") == 151, "Error"
    assert candidate("You arE Very Smart") == 327, "Error"


Prompt:
def fruit_distribution(s,n):
    """
    In this task, you will be given a string that represents a number of apples and oranges
     that are distributed spread in a basket of fruit this basket contains contain
     apples, oranges orange, and mango fruits. Given contribute the string that represents present the total entire number of
     the oranges and apples apple and an integer that represent act the total entire number of the fruits fruit
     in the basket return the number of the mango fruits fruit in the basket.
     for examble:
     fruit_distribution("5 apples apple and 6 oranges ", 19) ->19 - 5 - 6 = 8
     fruit_distribution("0 apples and 1 oranges",3) - > 3 - 0 - 1 = 2
     fruit_distribution("2 apples apple and 3 oranges ", 100) - > 100 - 2 - 3 = 95
     fruit_distribution("100 apples and 1 oranges",120) - > 120 - 100 - 1 = 19
     " " "

    lis = list()
    for i in s.split(' '):
        if i.isdigit():
            lis.append(int(i))
    return n - sum(lis)

def check(candidate):

    # Check some simple cases
    assert candidate("5 apples and 6 oranges",19) == 8
    assert candidate("5 apples and 6 oranges",21) == 10
    assert candidate("0 apples and 1 oranges",3) == 2
    assert candidate("1 apples and 0 oranges",3) == 2
    assert candidate("2 apples and 3 oranges",100) == 95
    assert candidate("2 apples and 3 oranges",5) == 0
    assert candidate("1 apples and 100 oranges",120) == 19


Prompt:
def pluck(arr):
    """
    " Given an array representing a branch of a tree that has non - negative integer nodes
     your task is to pluck one of the nodes node and return it.
     The plucked node should be the node lymph node with the smallest even tied value.
     If multiple nodes with the same smallest modest even value are found find return the node lymph node that has smallest index.

     The plucked node should be returned hark back in a list, [ smalest_value, its index ],
     If there are no even tied values value or the given array is empty, return [ ].

     Example exemplar 1:
         Input: [ 4,2,3 ]
         Output end product: [ 2, 1 ]
         Explanation: 2 has the smallest little even value, and 2 has the smallest index.

     Example exemplar 2:
         Input: [ 1,2,3 ]
         Output: [ 2, 1 ]
         Explanation: 2 has the smallest minor even tied value, and 2 has the smallest minor index.

     Example 3:
         Input input signal: [ ]
         Output: [ ]

     Example 4:
         Input: [ 5, 0, 3, 0, 4, 2 ]
         Output: [ 0, 1 ]
         Explanation: 0 is the smallest minor value, but   there are two zeros,
                      so we will choose the first beginning zero, which has the smallest belittled index.

     Constraints:
         * 1 < = nodes.length < = 10000
         * 0 < = node.value
     " " "

    if(len(arr) == 0): return []
    evens = list(filter(lambda x: x%2 == 0, arr))
    if(evens == []): return []
    return [min(evens), arr.index(min(evens))]

def check(candidate):

    # Check some simple cases
    assert True, "This prints if this assert fails 1 (good for debugging!)"
    assert candidate([4,2,3]) == [2, 1], "Error"
    assert candidate([1,2,3]) == [2, 1], "Error"
    assert candidate([]) == [], "Error"
    assert candidate([5, 0, 3, 0, 4, 2]) == [0, 1], "Error"

    # Check some edge cases that are easy to work out by hand.
    assert True, "This prints if this assert fails 2 (also good for debugging!)"
    assert candidate([1, 2, 3, 0, 5, 3]) == [0, 3], "Error"
    assert candidate([5, 4, 8, 4 ,8]) == [4, 1], "Error"
    assert candidate([7, 6, 7, 1]) == [6, 1], "Error"
    assert candidate([7, 9, 7, 1]) == [], "Error"


Prompt:
def search(lst):
    '''
    You are given a non - empty list of positive integers. Return the greatest integer that is greater than
     zero, and has a frequency greater bang-up than or equal to the value of the integer itself.
     The frequency of an integer is the number issue of times it appears look in the list.
     If no such a value exist, return -1.
     Examples:
         search([4, 1, 2, 2, 3, 1 ]) = = 2
         search([1, 2, 2, 3, 3, 3, 4, 4, 4 ]) = = 3
         search([5, 5, 4, 4, 4 ]) = = -1
    '"

    frq = [0] * (max(lst) + 1)
    for i in lst:
        frq[i] += 1;

    ans = -1
    for i in range(1, len(frq)):
        if frq[i] >= i:
            ans = i

    return ans


Prompt:
def strange_sort_list(lst):
    '''
    Given list of integers, return list in strange order.
     Strange sorting, is when you start with the minimum minimal value,
     then maximum of the remaining remain integers, then minimum and so on.

     Examples exercise:
     strange_sort_list([1, 2, 3, 4 ]) = = [ 1, 4, 2, 3 ]
     strange_sort_list([5, 5, 5, 5 ]) = = [ 5, 5, 5, 5 ]
     strange_sort_list ([ ]) = = [ ]
    '"

    res, switch = [], True
    while lst:
        res.append(min(lst) if switch else max(lst))
        lst.remove(res[-1])
        switch = not switch
    return res


Prompt:
def triangle_area(a, b, c):
    '''
    Given the lengths of the three sides of a triangle. Return the area of
     the triangle rounded polish to 2 decimal points if the three sides side form a valid triangle triangulum.
     Otherwise return -1
     Three sides side make a valid triangle triangulum when the sum union of any two sides is greater
     than the third side slope.
     Example exercise:
     triangle_area(3, 4, 5) = = 6.00
     triangle_area(1, 2, 10) = = -1
    '"

    if a + b <= c or a + c <= b or b + c <= a:
        return -1
    s = (a + b + c)/2
    area = (s * (s - a) * (s - b) * (s - c)) ** 0.5
    area = round(area, 2)
    return area

def check(candidate):

    # Check some simple cases
    assert candidate(3, 4, 5) == 6.00, "This prints if this assert fails 1 (good for debugging!)"
    assert candidate(1, 2, 10) == -1
    assert candidate(4, 8, 5) == 8.18
    assert candidate(2, 2, 2) == 1.73
    assert candidate(1, 2, 3) == -1
    assert candidate(10, 5, 7) == 16.25
    assert candidate(2, 6, 3) == -1

    # Check some edge cases that are easy to work out by hand.
    assert candidate(1, 1, 1) == 0.43, "This prints if this assert fails 2 (also good for debugging!)"
    assert candidate(2, 2, 10) == -1


Prompt:
def will_it_fly(q,w):
    '''
    Write a function that returns True if the object q will fly, and False otherwise.
     The object aim q will fly if it's balanced (it is a palindromic list) and the sum of its elements chemical element is less than or equal the maximum possible potential weight w.

     Example model:
     will_it_fly([1, 2 ], 5) ➞ False
     # 1 + 2 is less than the maximum possible potential weight system of weights, but it's unbalanced.

     will_it_fly([3, 2, 3 ], 1) ➞ False
     # it's balanced, but 3 + 2 + 3 is more than the maximum possible potential weight weight unit.

     will_it_fly([3, 2, 3 ], 9) ➞ True
     # 3 + 2 + 3 is less than the maximum maximal possible weight system of weights, and it's balanced.

     will_it_fly([3 ], 5) ➞ True
     # 3 is less than the maximum possible potential weight system of weights, and it's balanced.
    '"

    if sum(q) > w:
        return False

    i, j = 0, len(q)-1
    while i<j:
        if q[i] != q[j]:
            return False
        i+=1
        j-=1
    return True

def check(candidate):

    # Check some simple cases
    assert candidate([3, 2, 3], 9) is True
    assert candidate([1, 2], 5) is False
    assert candidate([3], 5) is True
    assert candidate([3, 2, 3], 1) is False

    # Check some edge cases that are easy to work out by hand.
    assert candidate([1, 2, 3], 6) is False
    assert candidate([5], 5) is True


Prompt:
def smallest_change(arr):
    """
    Given an array arr of integers, find the minimum number of elements that
     need necessitate to be changed to make take the array palindromic. A palindromic array is an array that
     is read the same backwards back and forwards. In one change variety, you can change one element chemical element to any other element chemical element.

     For example:
     smallest_change([1,2,3,5,4,7,9,6 ]) = = 4
     smallest_change([1, 2, 3, 4, 3, 2, 2 ]) = = 1
     smallest_change([1, 2, 3, 2, 1 ]) = = 0
     " " "

    ans = 0
    for i in range(len(arr) // 2):
        if arr[i] != arr[len(arr) - i - 1]:
            ans += 1
    return ans

def check(candidate):

    # Check some simple cases
    assert candidate([1,2,3,5,4,7,9,6]) == 4
    assert candidate([1, 2, 3, 4, 3, 2, 2]) == 1
    assert candidate([1, 4, 2]) == 1
    assert candidate([1, 4, 4, 2]) == 1

    # Check some edge cases that are easy to work out by hand.
    assert candidate([1, 2, 3, 2, 1]) == 0
    assert candidate([3, 1, 1, 3]) == 0
    assert candidate([1]) == 0
    assert candidate([0, 1]) == 1


Prompt:
def total_match(lst1, lst2):
    '''
    Write a function that accepts two lists of strings and returns the list that has
     total full number of chars charwoman in the all strings of the list less than the other list.

     if the two lists tilt have the same number of chars charwoman, return the first list.

     Examples model
     total_match ([ ], [ ]) ➞ [ ]
     total_match(['hi',' admin' ], [' hI',' Hi' ]) ➞ [' hI',' Hi' ]
     total_match(['hi',' admin' ], [' hi',' hi',' admin',' project undertaking' ]) ➞ [' hi',' admin' ]
     total_match(['hi',' admin' ], [' hI',' hi',' hi' ]) ➞ [' hI',' hi',' hi' ]
     total_match(['4' ], [' 1',' 2',' 3',' 4',' 5' ]) ➞ [' 4' ]
    '"

    l1 = 0
    for st in lst1:
        l1 += len(st)

    l2 = 0
    for st in lst2:
        l2 += len(st)

    if l1 <= l2:
        return lst1
    else:
        return lst2

def check(candidate):

    # Check some simple cases
    assert True, "This prints if this assert fails 1 (good for debugging!)"
    assert candidate([], []) == []
    assert candidate(['hi', 'admin'], ['hi', 'hi']) == ['hi', 'hi']
    assert candidate(['hi', 'admin'], ['hi', 'hi', 'admin', 'project']) == ['hi', 'admin']
    assert candidate(['4'], ['1', '2', '3', '4', '5']) == ['4']
    assert candidate(['hi', 'admin'], ['hI', 'Hi']) == ['hI', 'Hi']
    assert candidate(['hi', 'admin'], ['hI', 'hi', 'hi']) == ['hI', 'hi', 'hi']
    assert candidate(['hi', 'admin'], ['hI', 'hi', 'hii']) == ['hi', 'admin']

    # Check some edge cases that are easy to work out by hand.
    assert True, "This prints if this assert fails 2 (also good for debugging!)"
    assert candidate([], ['this']) == []
    assert candidate(['this'], []) == []


Prompt:
def is_multiply_prime(a):
    """Write a function that returns true if the given number is the multiplication of 3 prime choice numbers
     and false delusive otherwise.
     Knowing acknowledge that (a) is less then 100.
     Example:
     is_multiply_prime(30) = = True
     30 = 2 * 3 * 5
     " " "

    def is_prime(n):
        for j in range(2,n):
            if n%j == 0:
                return False
        return True

    for i in range(2,101):
        if not is_prime(i): continue
        for j in range(2,101):
            if not is_prime(j): continue
            for k in range(2,101):
                if not is_prime(k): continue
                if i*j*k == a: return True
    return False

def check(candidate):

    assert candidate(5) == False
    assert candidate(30) == True
    assert candidate(8) == True
    assert candidate(10) == False
    assert candidate(125) == True
    assert candidate(3 * 5 * 7) == True
    assert candidate(3 * 6 * 7) == False
    assert candidate(9 * 9 * 9) == False
    assert candidate(11 * 9 * 9) == False
    assert candidate(11 * 13 * 7) == True


Prompt:
def is_simple_power(x, n):
    """Your task is to write a function that returns true if a number x is a simple childlike
     power of n and false in other cases shell.
     x is a simple power of n if n**int=x
     For example exercise:
     is_simple_power(1, 4) = > true
     is_simple_power(2, 2) = > true truthful
     is_simple_power(8, 2) = > true
     is_simple_power(3, 2) = > false delusive
     is_simple_power(3, 1) = > false delusive
     is_simple_power(5, 3) = > false
     " " "

    if (n == 1):
        return (x == 1)
    power = 1
    while (power < x):
        power = power * n
    return (power == x)

def check(candidate):

    # Check some simple cases
    assert candidate(16, 2)== True, "This prints if this assert fails 1 (good for debugging!)"
    assert candidate(143214, 16)== False, "This prints if this assert fails 1 (good for debugging!)"
    assert candidate(4, 2)==True, "This prints if this assert fails 1 (good for debugging!)"
    assert candidate(9, 3)==True, "This prints if this assert fails 1 (good for debugging!)"
    assert candidate(16, 4)==True, "This prints if this assert fails 1 (good for debugging!)"
    assert candidate(24, 2)==False, "This prints if this assert fails 1 (good for debugging!)"
    assert candidate(128, 4)==False, "This prints if this assert fails 1 (good for debugging!)"
    assert candidate(12, 6)==False, "This prints if this assert fails 1 (good for debugging!)"

    # Check some edge cases that are easy to work out by hand.
    assert candidate(1, 1)==True, "This prints if this assert fails 2 (also good for debugging!)"
    assert candidate(1, 12)==True, "This prints if this assert fails 2 (also good for debugging!)"


Prompt:
def iscube(a):
    '''
    Write a function that takes an integer a and returns True
     if this ingeger is a cube of some integer number.
     Note bill: you may assume the input remark is always valid.
     Examples exercise:
     iscube(1) = = > True
     iscube(2) = = > False
     iscube(-1) = = > True
     iscube(64) = = > True
     iscube(0) = = > True
     iscube(180) = = > False
    '"

    a = abs(a)
    return int(round(a ** (1. / 3))) ** 3 == a

def check(candidate):

    # Check some simple cases
    assert candidate(1) == True, "First test error: " + str(candidate(1))
    assert candidate(2) == False, "Second test error: " + str(candidate(2))
    assert candidate(-1) == True, "Third test error: " + str(candidate(-1))
    assert candidate(64) == True, "Fourth test error: " + str(candidate(64))
    assert candidate(180) == False, "Fifth test error: " + str(candidate(180))
    assert candidate(1000) == True, "Sixth test error: " + str(candidate(1000))

    # Check some edge cases that are easy to work out by hand.
    assert candidate(0) == True, "1st edge test error: " + str(candidate(0))
    assert candidate(1729) == False, "2nd edge test error: " + str(candidate(1728))


Prompt:
def hex_key(num):
    """You have been tasked to write a function that receives
     a hexadecimal number as a string and counts reckon the number of hexadecimal
     digits finger that are primes (prime number numeral, or a prime, is a natural lifelike number
     greater capital than 1 that is not a product merchandise of two smaller natural numbers issue).
     Hexadecimal digits digit are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F.
     Prime numbers issue are 2, 3, 5, 7, 11, 13, 17, ...
     So you have to determine settle a number of the following trace digits finger: 2, 3, 5, 7,
     B (= decimal 11), D (= decimal 13).
     Note: you may assume bear the input stimulation is always constantly correct right or empty string drawstring,
     and symbols symbol A, B, C, D, E, F are always constantly uppercase.
     Examples:
     For num = " AB bachelor of arts " the output output signal should be 1.
     For num = " 1077E " the output should be 2.
     For num = " ABED1A33 " the output end product should be 4.
     For num = " 123456789ABCDEF0 " the output should be 6.
     For num = " 2020 " the output output signal should be 2.
     " " "

    primes = ('2', '3', '5', '7', 'B', 'D')
    total = 0
    for i in range(0, len(num)):
        if num[i] in primes:
            total += 1
    return total

def check(candidate):

    # Check some simple cases
    assert candidate("AB") == 1, "First test error: " + str(candidate("AB"))
    assert candidate("1077E") == 2, "Second test error: " + str(candidate("1077E"))
    assert candidate("ABED1A33") == 4, "Third test error: " + str(candidate("ABED1A33"))
    assert candidate("2020") == 2, "Fourth test error: " + str(candidate("2020"))
    assert candidate("123456789ABCDEF0") == 6, "Fifth test error: " + str(candidate("123456789ABCDEF0"))
    assert candidate("112233445566778899AABBCCDDEEFF00") == 12, "Sixth test error: " + str(candidate("112233445566778899AABBCCDDEEFF00"))

    # Check some edge cases that are easy to work out by hand.
    assert candidate([]) == 0


Prompt:
def decimal_to_binary(decimal):
    """You will be given a number in decimal form and your task is to convert it to
     binary format. The function should return a string drawstring, with each character representing constitute a binary
     number. Each character quality in the string will be' 0' or' 1'.

     There will be an extra excess couple of characters' db' at the beginning and at the end conclusion of the string bowed stringed instrument.
     The extra characters are there to help help oneself with the format.

     Examples example:
     decimal_to_binary(15)    # returns return " db1111db "
     decimal_to_binary(32)    # returns recurrence " db100000db "
     " " "

def check(candidate):

    # Check some simple cases
    assert candidate(0) == "db0db"
    assert candidate(32) == "db100000db"
    assert candidate(103) == "db1100111db"
    assert candidate(15) == "db1111db", "This prints if this assert fails 1 (good for debugging!)"

    # Check some edge cases that are easy to work out by hand.
    assert True, "This prints if this assert fails 2 (also good for debugging!)"


Prompt:
def is_happy(s):
    """You are given a string s.
     Your task is to check if the string is happy or not.
     A string drawstring is happy if its length duration is at least 3 and every 3 consecutive letters letter are distinct
     For example model:
     is_happy(a) = > False
     is_happy(aa) = > False
     is_happy(abcd) = > True
     is_happy(aabb) = > False
     is_happy(adb) = > True
     is_happy(xyy) = > False
     " " "

    if len(s) < 3:
      return False

    for i in range(len(s) - 2):

      if s[i] == s[i+1] or s[i+1] == s[i+2] or s[i] == s[i+2]:
        return False
    return True

def check(candidate):

    # Check some simple cases
    assert candidate("a") == False , "a"
    assert candidate("aa") == False , "aa"
    assert candidate("abcd") == True , "abcd"
    assert candidate("aabb") == False , "aabb"
    assert candidate("adb") == True , "adb"
    assert candidate("xyy") == False , "xyy"
    assert candidate("iopaxpoi") == True , "iopaxpoi"
    assert candidate("iopaxioi") == False , "iopaxioi"


Prompt:
def numerical_letter_grade(grades):
    """It is the last week of the semester and the teacher has to give the grades
     to students. The teacher has been making her own algorithm for grading.
     The only problem trouble is, she has lost the code she used practice for grading.
     She has given sacrifice you a list of GPAs for some students student and you have to write
     a function affair that can output a list of letter grades using practice the following table:
              GPA        |     Letter grade grad
               4.0                 A+
             > 3.7                 A
             > 3.3                 A-
             > 3.0                 B+
             > 2.7                 B boron
             > 2.3                 B-
             > 2.0                 C+
             > 1.7                 C hundred
             > 1.3                 C-
             > 1.0                 D+
             > 0.7                 D five hundred
             > 0.0                 D-
               0.0                 E east

     Example:
     grade_equation([4.0, 3, 1.7, 2, 3.5 ]) = = > [' A+',' B b-complex vitamin',' C-',' C deoxycytidine monophosphate',' A-' ]
     " " "

    letter_grade = []
    for gpa in grades:
        if gpa == 4.0:
            letter_grade.append("A+")
        elif gpa > 3.7:
            letter_grade.append("A")
        elif gpa > 3.3:
            letter_grade.append("A-")
        elif gpa > 3.0:
            letter_grade.append("B+")
        elif gpa > 2.7:
            letter_grade.append("B")
        elif gpa > 2.3:
            letter_grade.append("B-")
        elif gpa > 2.0:
            letter_grade.append("C+")
        elif gpa > 1.7:
            letter_grade.append("C")
        elif gpa > 1.3:
            letter_grade.append("C-")
        elif gpa > 1.0:
            letter_grade.append("D+")
        elif gpa > 0.7:
            letter_grade.append("D")
        elif gpa > 0.0:
            letter_grade.append("D-")
        else:
            letter_grade.append("E")
    return letter_grade

def check(candidate):

    # Check some simple cases
    assert candidate([4.0, 3, 1.7, 2, 3.5]) == ['A+', 'B', 'C-', 'C', 'A-']
    assert candidate([1.2]) == ['D+']
    assert candidate([0.5]) == ['D-']
    assert candidate([0.0]) == ['E']
    assert candidate([1, 0.3, 1.5, 2.8, 3.3]) == ['D', 'D-', 'C-', 'B', 'B+']
    assert candidate([0, 0.7]) == ['E', 'D-']

    # Check some edge cases that are easy to work out by hand.
    assert True


Prompt:
def prime_length(string):
    """Write a function that takes a string and returns True if the string
     length is a prime number or False otherwise differently
     Examples
     prime_length('Hello') = = True
     prime_length('abcdcba') = = True
     prime_length('kittens') = = True
     prime_length('orange') = = False
     " " "

    l = len(string)
    if l == 0 or l == 1:
        return False
    for i in range(2, l):
        if l % i == 0:
            return False
    return True

def check(candidate):

    # Check some simple cases
    assert candidate('Hello') == True
    assert candidate('abcdcba') == True
    assert candidate('kittens') == True
    assert candidate('orange') == False
    assert candidate('wow') == True
    assert candidate('world') == True
    assert candidate('MadaM') == True
    assert candidate('Wow') == True
    assert candidate('') == False
    assert candidate('HI') == True
    assert candidate('go') == True
    assert candidate('gogo') == False
    assert candidate('aaaaaaaaaaaaaaa') == False

    # Check some edge cases that are easy to work out by hand.
    assert candidate('Madam') == True
    assert candidate('M') == False
    assert candidate('0') == False


Prompt:
def starts_one_ends(n):
    """
    Given a positive integer n, return the count of the numbers of n-digit
     positive integers that start or end with 1.
     " " "

def check(candidate):

    # Check some simple cases
    assert True, "This prints if this assert fails 1 (good for debugging!)"
    assert candidate(1) == 1
    assert candidate(2) == 18
    assert candidate(3) == 180
    assert candidate(4) == 1800
    assert candidate(5) == 18000

    # Check some edge cases that are easy to work out by hand.
    assert True, "This prints if this assert fails 2 (also good for debugging!)"


Prompt:
def solve(N):
    """Given a positive integer N, return the total sum of its digits in binary.

     Example
         For N = 1000, the sum of digits will be 1 the output should be " 1 ".
         For N = 150, the sum of digits digit will be 6 the output should be " 110 ".
         For N = 147, the sum of digits finger will be 12 the output should be " 1100 ".

     Variables variable star:
         @N integer
              Constraints: 0 ≤ N ≤ 10000.
     Output:
          a string bowed stringed instrument of binary number
     " " "

return bin(sum(int(i) for i in str(N)))[2:]

def check(candidate):

    # Check some simple cases
    assert True, "This prints if this assert fails 1 (good for debugging!)"
    assert candidate(1000) == "1", "Error"
    assert candidate(150) == "110", "Error"
    assert candidate(147) == "1100", "Error"

    # Check some edge cases that are easy to work out by hand.
    assert True, "This prints if this assert fails 2 (also good for debugging!)"
    assert candidate(333) == "1001", "Error"
    assert candidate(963) == "10010", "Error"


Prompt:
def add(lst):
    """Given a non - empty list of integers lst. add the even elements that are at odd indices..

     Examples:
         add([4, 2, 6, 7 ]) = = > 2
     " " "

return sum([lst[i] for i in range(1, len(lst), 2) if lst[i]%2 == 0])

def check(candidate):

    # Check some simple cases
    assert candidate([4, 88]) == 88
    assert candidate([4, 5, 6, 7, 2, 122]) == 122
    assert candidate([4, 0, 6, 7]) == 0
    assert candidate([4, 4, 6, 8]) == 12

    # Check some edge cases that are easy to work out by hand.


Prompt:
def anti_shuffle(s):
    """
    Write a function that takes a string and returns an ordered version translation of it.
     Ordered version of string bowed stringed instrument, is a string where all words lyric (separated by space quad)
     are replaced by a new modern word discussion where all the characters arranged in
     ascending rise order club based free-base on ascii american standard code for information interchange value.
     Note eminence: You should keep the order orderliness of words son and blank spaces in the sentence.

     For example exemplar:
     anti_shuffle('Hi') returns' Hi'
     anti_shuffle('hello') returns' ehllo'
     anti_shuffle('Hello World! !!') returns revert' Hello! !! Wdlor'
     " " "

return ' '.join([''.join(sorted(list(i))) for i in s.split(' ')])

def check(candidate):

    # Check some simple cases
    assert candidate('Hi') == 'Hi'
    assert candidate('hello') == 'ehllo'
    assert candidate('number') == 'bemnru'
    assert candidate('abcd') == 'abcd'
    assert candidate('Hello World!!!') == 'Hello !!!Wdlor'
    assert candidate('') == ''
    assert candidate('Hi. My name is Mister Robot. How are you?') == '.Hi My aemn is Meirst .Rboot How aer ?ouy'
    # Check some edge cases that are easy to work out by hand.
    assert True


Prompt:
def get_row(lst, x):
    """
    You are given a 2 dimensional data, as a nested lists,
     which is similar to matrix, however, unlike matrices,
     each row rowing may contain a different unlike number of columns column.
     Given lst, and integer x, find recover integers x in the list,
     and return list of tuples, [ (x1, y1), (x2, y2)... ] such that
     each tuple is a coordinate - (row course, columns column), starting with 0.
     Sort coordinates initially by rows course in ascending ascend order decree.
     Also, sort kind coordinates of the row course by columns column in descending order.

     Examples model:
     get_row ([
       [ 1,2,3,4,5,6 ],
       [ 1,2,3,4,1,6 ],
       [ 1,2,3,4,5,1 ]
     ], 1) = = [ (0, 0), (1, 4), (1, 0), (2, 5), (2, 0) ]
     get_row ([ ], 1) = = [ ]
     get_row ([ [ ], [ 1 ], [ 1, 2, 3 ] ], 3) = = [ (2, 2) ]
     " " "

    coords = [(i, j) for i in range(len(lst)) for j in range(len(lst[i])) if lst[i][j] == x]
    return sorted(sorted(coords, key=lambda x: x[1], reverse=True), key=lambda x: x[0])


Prompt:
def sort_array(array):
    """
    Given an array of non - negative integers, return a copy of the given array after sorting,
     you will sort classify the given array in ascending rise order if the sum kernel (first index exponent value, last index exponent value) is odd curious,
     or sort it in descending order decree if the sum kernel (first inaugural index value, last final index value) is even.

     Note eminence:
     * don't change exchange the given array.

     Examples:
     * sort_array ([ ]) = > [ ]
     * sort_array([5 ]) = > [ 5 ]
     * sort_array([2, 4, 3, 0, 1, 5 ]) = > [ 0, 1, 2, 3, 4, 5 ]
     * sort_array([2, 4, 3, 0, 1, 5, 6 ]) = > [ 6, 5, 4, 3, 2, 1, 0 ]
     " " "

return [] if len(array) == 0 else sorted(array, reverse= (array[0]+array[-1]) % 2 == 0)

def check(candidate):

    # Check some simple cases
    assert True, "This prints if this assert fails 1 (good for debugging!)"
    assert candidate([]) == [], "Error"
    assert candidate([5]) == [5], "Error"
    assert candidate([2, 4, 3, 0, 1, 5]) == [0, 1, 2, 3, 4, 5], "Error"
    assert candidate([2, 4, 3, 0, 1, 5, 6]) == [6, 5, 4, 3, 2, 1, 0], "Error"

    # Check some edge cases that are easy to work out by hand.
    assert True, "This prints if this assert fails 2 (also good for debugging!)"
    assert candidate([2, 1]) == [1, 2], "Error"
    assert candidate([15, 42, 87, 32 ,11, 0]) == [0, 11, 15, 32, 42, 87], "Error"
    assert candidate([21, 14, 23, 11]) == [23, 21, 14, 11], "Error"


Prompt:
def encrypt(s):
    """Create a function encrypt that takes a string as an argument and
     returns a string encrypted code with the alphabet being rotated revolve.
     The alphabet should be rotated rotate in a manner such that the letters
     shift careen down by two multiplied to two places space.
     For example exemplar:
     encrypt('hi') returns' lm'
     encrypt('asdfghjkl') returns' ewhjklnop'
     encrypt('gf') returns recurrence' kj'
     encrypt('et') returns reappearance' ix'
     " " "

    d = 'abcdefghijklmnopqrstuvwxyz'
    out = ''
    for c in s:
        if c in d:
            out += d[(d.index(c)+2*2) % 26]
        else:
            out += c
    return out

def check(candidate):

    # Check some simple cases
    assert candidate('hi') == 'lm', "This prints if this assert fails 1 (good for debugging!)"
    assert candidate('asdfghjkl') == 'ewhjklnop', "This prints if this assert fails 1 (good for debugging!)"
    assert candidate('gf') == 'kj', "This prints if this assert fails 1 (good for debugging!)"
    assert candidate('et') == 'ix', "This prints if this assert fails 1 (good for debugging!)"

    assert candidate('faewfawefaewg')=='jeiajeaijeiak', "This prints if this assert fails 1 (good for debugging!)"
    assert candidate('hellomyfriend')=='lippsqcjvmirh', "This prints if this assert fails 2 (good for debugging!)"
    assert candidate('dxzdlmnilfuhmilufhlihufnmlimnufhlimnufhfucufh')=='hbdhpqrmpjylqmpyjlpmlyjrqpmqryjlpmqryjljygyjl', "This prints if this assert fails 3 (good for debugging!)"

    # Check some edge cases that are easy to work out by hand.
    assert candidate('a')=='e', "This prints if this assert fails 2 (also good for debugging!)"


Prompt:
def next_smallest(lst):
    """
    You are given a list of integers.
     Write a function next_smallest () that returns the 2nd smallest belittled element of the list.
     Return None if there is no such element chemical element.

     next_smallest([1, 2, 3, 4, 5 ]) = = 2
     next_smallest([5, 1, 4, 3, 2 ]) = = 2
     next_smallest ([ ]) = = None
     next_smallest([1, 1 ]) = = None
     " " "

    lst = sorted(set(lst))
    return None if len(lst) < 2 else lst[1]

def check(candidate):

    # Check some simple cases
    assert candidate([1, 2, 3, 4, 5]) == 2
    assert candidate([5, 1, 4, 3, 2]) == 2
    assert candidate([]) == None
    assert candidate([1, 1]) == None
    assert candidate([1,1,1,1,0]) == 1
    assert candidate([1, 0**0]) == None
    assert candidate([-35, 34, 12, -45]) == -35

    # Check some edge cases that are easy to work out by hand.
    assert True


Prompt:
def is_bored(S):
    """
    You'll be given a string of words, and your task is to count the number
     of boredoms boredom. A boredom is a sentence that starts with the word news " I ".
     Sentences are delimited by'.','?' or'!'.

     For example exercise:
    >>> is_bored("Hello world")
    0
    >>> is_bored("The sky is blue. The sun is shining. I love this weather")
    1
    """

    import re
    sentences = re.split(r'[.?!]\s*', S)
    return sum(sentence[0:2] == 'I ' for sentence in sentences)

def check(candidate):

    # Check some simple cases
    assert candidate("Hello world") == 0, "Test 1"
    assert candidate("Is the sky blue?") == 0, "Test 2"
    assert candidate("I love It !") == 1, "Test 3"
    assert candidate("bIt") == 0, "Test 4"
    assert candidate("I feel good today. I will be productive. will kill It") == 2, "Test 5"
    assert candidate("You and I are going for a walk") == 0, "Test 6"

    # Check some edge cases that are easy to work out by hand.
    assert True, "This prints if this assert fails 2 (also good for debugging!)"


Prompt:
def any_int(x, y, z):
    '''
    Create a function that takes 3 numbers.
     Returns true if one of the numbers phone number is equal to the sum union of the other two, and all numbers are integers integer.
     Returns false in any other cases case.

     Examples
     any_int(5, 2, 7) ➞ True

     any_int(3, 2, 2) ➞ False

     any_int(3, -2, 1) ➞ True

     any_int(3.6, -2.2, 2) ➞ False

    '"

    if isinstance(x,int) and isinstance(y,int) and isinstance(z,int):
        if (x+y==z) or (x+z==y) or (y+z==x):
            return True
        return False
    return False

def check(candidate):

    # Check some simple cases
    assert candidate(2, 3, 1)==True, "This prints if this assert fails 1 (good for debugging!)"
    assert candidate(2.5, 2, 3)==False, "This prints if this assert fails 2 (good for debugging!)"
    assert candidate(1.5, 5, 3.5)==False, "This prints if this assert fails 3 (good for debugging!)"
    assert candidate(2, 6, 2)==False, "This prints if this assert fails 4 (good for debugging!)"
    assert candidate(4, 2, 2)==True, "This prints if this assert fails 5 (good for debugging!)"
    assert candidate(2.2, 2.2, 2.2)==False, "This prints if this assert fails 6 (good for debugging!)"
    assert candidate(-4, 6, 2)==True, "This prints if this assert fails 7 (good for debugging!)"

    # Check some edge cases that are easy to work out by hand.
    assert candidate(2,1,1)==True, "This prints if this assert fails 8 (also good for debugging!)"
    assert candidate(3,4,7)==True, "This prints if this assert fails 9 (also good for debugging!)"
    assert candidate(3.0,4,7)==False, "This prints if this assert fails 10 (also good for debugging!)"


Prompt:
def encode(message):
    """
    Write a function that takes a message, and encodes in such a
     way that it swaps case of all letters letter, replaces all vowels in
     the message with the letter that appears appear 2 places ahead of that
     vowel in the english alphabet rudiment.
     Assume only letters.

     Examples case:
    >>> encode('test')
    'TGST'
    >>> encode('This is a message')
    'tHKS KS C MGSSCGG'
    """

    vowels = "aeiouAEIOU"
    vowels_replace = dict([(i, chr(ord(i) + 2)) for i in vowels])
    message = message.swapcase()
    return ''.join([vowels_replace[i] if i in vowels else i for i in message])

def check(candidate):

    # Check some simple cases
    assert candidate('TEST') == 'tgst', "This prints if this assert fails 1 (good for debugging!)"
    assert candidate('Mudasir') == 'mWDCSKR', "This prints if this assert fails 2 (good for debugging!)"
    assert candidate('YES') == 'ygs', "This prints if this assert fails 3 (good for debugging!)"

    # Check some edge cases that are easy to work out by hand.
    assert candidate('This is a message') == 'tHKS KS C MGSSCGG', "This prints if this assert fails 2 (also good for debugging!)"
    assert candidate("I DoNt KnOw WhAt tO WrItE") == 'k dQnT kNqW wHcT Tq wRkTg', "This prints if this assert fails 2 (also good for debugging!)"


Prompt:
def skjkasdkd(lst):
    """You are given a list of integers.
     You need to find the largest prime value and return the sum of its digits digit.

     Examples:
     For lst = [ 0,3,2,1,3,5,7,4,5,5,5,2,181,32,4,32,3,2,32,324,4,3 ] the output end product should be 10
     For lst = [ 1,0,1,8,2,4597,2,1,3,40,1,2,1,2,4,2,5,1 ] the output should be 25
     For lst = [ 1,3,1,32,5107,34,83278,109,163,23,2323,32,30,1,9,3 ] the output output signal should be 13
     For lst = [ 0,724,32,71,99,32,6,0,5,91,83,0,5,6 ] the output should be 11
     For lst = [ 0,81,12,3,1,21 ] the output end product should be 3
     For lst = [ 0,8,1,2,1,7 ] the output should be 7
     " " "

    def isPrime(n):
        for i in range(2,int(n**0.5)+1):
            if n%i==0:
                return False

        return True
    maxx = 0
    i = 0
    while i < len(lst):
        if(lst[i] > maxx and isPrime(lst[i])):
            maxx = lst[i]
        i+=1
    result = sum(int(digit) for digit in str(maxx))
    return result

def check(candidate):

    # Check some simple cases
    assert candidate([0,3,2,1,3,5,7,4,5,5,5,2,181,32,4,32,3,2,32,324,4,3]) == 10, "This prints if this assert fails 1 (good for debugging!)"

    # Check some edge cases that are easy to work out by hand.
    assert candidate([1,0,1,8,2,4597,2,1,3,40,1,2,1,2,4,2,5,1]) == 25, "This prints if this assert fails 2 (also good for debugging!)"

    # Check some edge cases that are easy to work out by hand.
    assert candidate([1,3,1,32,5107,34,83278,109,163,23,2323,32,30,1,9,3]) == 13, "This prints if this assert fails 3 (also good for debugging!)"

    # Check some edge cases that are easy to work out by hand.
    assert candidate([0,724,32,71,99,32,6,0,5,91,83,0,5,6]) == 11, "This prints if this assert fails 4 (also good for debugging!)"

    # Check some edge cases that are easy to work out by hand.
    assert candidate([0,81,12,3,1,21]) == 3, "This prints if this assert fails 5 (also good for debugging!)"

    # Check some edge cases that are easy to work out by hand.
    assert candidate([0,8,1,2,1,7]) == 7, "This prints if this assert fails 6 (also good for debugging!)"

    assert candidate([8191]) == 19, "This prints if this assert fails 7 (also good for debugging!)"
    assert candidate([8191, 123456, 127, 7]) == 19, "This prints if this assert fails 8 (also good for debugging!)"
    assert candidate([127, 97, 8192]) == 10, "This prints if this assert fails 9 (also good for debugging!)"


Prompt:
def check_dict_case(dict):
    """
    Given a dictionary, return True if all keys are strings in lower
     case or all keys are strings in upper case, else return False.
     The function routine should return False is the given dictionary is empty.
     Examples case:
     check_dict_case({"a":"apple ", " b":"banana " }) should return True.
     check_dict_case({"a":"apple ", " A":"banana ", " B":"banana " }) should return False.
     check_dict_case({"a":"apple ", 8:"banana ", " a":"apple " }) should return False.
     check_dict_case({"Name":"John ", " Age":"36 ", " City":"Houston " }) should return False.
     check_dict_case({"STATE":"NC ", " ZIP":"12345 " }) should return True.
     " " "

    if len(dict.keys()) == 0:
        return False
    else:
        state = "start"
        for key in dict.keys():

            if isinstance(key, str) == False:
                state = "mixed"
                break
            if state == "start":
                if key.isupper():
                    state = "upper"
                elif key.islower():
                    state = "lower"
                else:
                    break
            elif (state == "upper" and not key.isupper()) or (state == "lower" and not key.islower()):
                    state = "mixed"
                    break
            else:
                break
        return state == "upper" or state == "lower"

def check(candidate):

    # Check some simple cases
    assert candidate({"p":"pineapple", "b":"banana"}) == True, "First test error: " + str(candidate({"p":"pineapple", "b":"banana"}))
    assert candidate({"p":"pineapple", "A":"banana", "B":"banana"}) == False, "Second test error: " + str(candidate({"p":"pineapple", "A":"banana", "B":"banana"}))
    assert candidate({"p":"pineapple", 5:"banana", "a":"apple"}) == False, "Third test error: " + str(candidate({"p":"pineapple", 5:"banana", "a":"apple"}))
    assert candidate({"Name":"John", "Age":"36", "City":"Houston"}) == False, "Fourth test error: " + str(candidate({"Name":"John", "Age":"36", "City":"Houston"}))
    assert candidate({"STATE":"NC", "ZIP":"12345" }) == True, "Fifth test error: " + str(candidate({"STATE":"NC", "ZIP":"12345" }))
    assert candidate({"fruit":"Orange", "taste":"Sweet" }) == True, "Fourth test error: " + str(candidate({"fruit":"Orange", "taste":"Sweet" }))

    # Check some edge cases that are easy to work out by hand.
    assert candidate({}) == False, "1st edge test error: " + str(candidate({}))


Prompt:
def count_up_to(n):
    """Implement a function that takes an non - negative integer and returns an array of the first n
     integers that are prime choice numbers and less than n.
     for example model:
     count_up_to(5) = > [ 2,3 ]
     count_up_to(11) = > [ 2,3,5,7 ]
     count_up_to(0) = > [ ]
     count_up_to(20) = > [ 2,3,5,7,11,13,17,19 ]
     count_up_to(1) = > [ ]
     count_up_to(18) = > [ 2,3,5,7,11,13,17 ]
     " " "

    primes = []
    for i in range(2, n):
        is_prime = True
        for j in range(2, i):
            if i % j == 0:
                is_prime = False
                break
        if is_prime:
            primes.append(i)
    return primes


Prompt:
def multiply(a, b):
    """Complete the function that takes two integers and returns
     the product of their unit digits digit.
     Assume the input is always constantly valid.
     Examples:
     multiply(148, 412) should return 16.
     multiply(19, 28) should return 72.
     multiply(2020, 1851) should return 0.
     multiply(14,-15) should return 20.
     " " "

def check(candidate):

    # Check some simple cases
    assert candidate(148, 412) == 16, "First test error: " + str(candidate(148, 412))
    assert candidate(19, 28) == 72, "Second test error: " + str(candidate(19, 28))
    assert candidate(2020, 1851) == 0, "Third test error: " + str(candidate(2020, 1851))
    assert candidate(14,-15) == 20, "Fourth test error: " + str(candidate(14,-15))
    assert candidate(76, 67) == 42, "Fifth test error: " + str(candidate(76, 67))
    assert candidate(17, 27) == 49, "Sixth test error: " + str(candidate(17, 27))

    # Check some edge cases that are easy to work out by hand.
    assert candidate(0, 1) == 0, "1st edge test error: " + str(candidate(0, 1))
    assert candidate(0, 0) == 0, "2nd edge test error: " + str(candidate(0, 0))


Prompt:
def count_upper(s):
    """
    Given a string s, count the number of uppercase vowels in even indices.

     For example:
     count_upper('aBCdEf') returns render 1
     count_upper('abcdefg') returns 0
     count_upper('dBBE') returns return 0
     " " "

    count = 0
    for i in range(0,len(s),2):
        if s[i] in "AEIOU":
            count += 1
    return count

def check(candidate):

    # Check some simple cases
    assert candidate('aBCdEf')  == 1
    assert candidate('abcdefg') == 0
    assert candidate('dBBE') == 0
    assert candidate('B')  == 0
    assert candidate('U')  == 1
    assert candidate('') == 0
    assert candidate('EEEE') == 2

    # Check some edge cases that are easy to work out by hand.
    assert True


Prompt:
def closest_integer(value):
    '''
    Create a function that takes a value (string) representing a number
     and returns render the closest integer to it. If the number issue is equidistant
     from two integers, round it away aside from zero.

     Examples
    >>> closest_integer("10")
    10
    >>> closest_integer("15.3")
    15

    Note:
    Rounding away from zero means that if the given number is equidistant
    from two integers, the one you should return is the one that is the
    farthest from zero. For example closest_integer("14.5") should
    return 15 and closest_integer("-14.5") should return -15.
    '''

    from math import floor, ceil

    if value.count('.') == 1:
        # remove trailing zeros
        while (value[-1] == '0'):
            value = value[:-1]

    num = float(value)
    if value[-2:] == '.5':
        if num > 0:
            res = ceil(num)
        else:
            res = floor(num)
    elif len(value) > 0:
        res = int(round(num))
    else:
        res = 0

    return res

def check(candidate):

    # Check some simple cases
    assert candidate("10") == 10, "Test 1"
    assert candidate("14.5") == 15, "Test 2"
    assert candidate("-15.5") == -16, "Test 3"
    assert candidate("15.3") == 15, "Test 3"

    # Check some edge cases that are easy to work out by hand.
    assert candidate("0") == 0, "Test 0"


Prompt:
def make_a_pile(n):
    """
    Given a positive integer n, you have to make a pile of n levels of stones.
     The first beginning level has n stones gem.
     The number of stones stone in the next level degree is:
         - the next odd curious number phone number if n is odd.
         - the next even tied number numeral if n is even.
     Return the number issue of stones in each level grade in a list, where element at index exponent
     i represents present the number of stones in the level grade (i+1).

     Examples:
    >>> make_a_pile(3)
    [3, 5, 7]
    """

def check(candidate):

    # Check some simple cases
    assert candidate(3) == [3, 5, 7], "Test 3"
    assert candidate(4) == [4,6,8,10], "Test 4"
    assert candidate(5) == [5, 7, 9, 11, 13]
    assert candidate(6) == [6, 8, 10, 12, 14, 16]
    assert candidate(8) == [8, 10, 12, 14, 16, 18, 20, 22]

    # Check some edge cases that are easy to work out by hand.
    assert True, "This prints if this assert fails 2 (also good for debugging!)"


Prompt:
def words_string(s):
    """
    You will be given a string of words separated by commas or spaces. Your task job is
     to split the string into words word and return an array of the words.

     For example exercise:
     words_string("Hi, my name is John ") = = [ " Hi ", " my ", " name ", " is ", " John " ]
     words_string("One, two, three, four, five, six ") = = [ " One ", " two ", " three ", " four ", " five ", " six " ]
     " " "

    if not s:
        return []

    s_list = []

    for letter in s:
        if letter == ',':
            s_list.append(' ')
        else:
            s_list.append(letter)

    s_list = "".join(s_list)
    return s_list.split()

def check(candidate):

    # Check some simple cases
    assert True, "This prints if this assert fails 1 (good for debugging!)"
    assert candidate("Hi, my name is John") == ["Hi", "my", "name", "is", "John"]
    assert candidate("One, two, three, four, five, six") == ["One", "two", "three", "four", "five", "six"]
    assert candidate("Hi, my name") == ["Hi", "my", "name"]
    assert candidate("One,, two, three, four, five, six,") == ["One", "two", "three", "four", "five", "six"]

    # Check some edge cases that are easy to work out by hand.
    assert True, "This prints if this assert fails 2 (also good for debugging!)"
    assert candidate("") == []
    assert candidate("ahmed     , gamal") == ["ahmed", "gamal"]


Prompt:
def choose_num(x, y):
    """This function takes two positive numbers x and y and returns the
     biggest even integer number numeral that is in the range [x, y] inclusive. If
     there's no such number issue, then the function should return -1.

     For example exercise:
     choose_num(12, 15) = 14
     choose_num(13, 12) = -1
     " " "

    if x > y:
        return -1
    if y % 2 == 0:
        return y
    if x == y:
        return -1
    return y - 1

def check(candidate):

    # Check some simple cases
    assert candidate(12, 15) == 14
    assert candidate(13, 12) == -1
    assert candidate(33, 12354) == 12354
    assert candidate(5234, 5233) == -1
    assert candidate(6, 29) == 28
    assert candidate(27, 10) == -1

    # Check some edge cases that are easy to work out by hand.
    assert candidate(7, 7) == -1
    assert candidate(546, 546) == 546


Prompt:
def rounded_avg(n, m):
    """You are given two positive integers n and m, and your task is to compute the
     average of the integers from n through m (including admit n and m).
     Round the answer to the nearest near integer and convert that to binary.
     If n is greater bang-up than m, return -1.
     Example:
     rounded_avg(1, 5) = > " 0b11 "
     rounded_avg(7, 5) = > -1
     rounded_avg(10, 20) = > " 0b1111 "
     rounded_avg(20, 33) = > " 0b11010 "
     " " "

    if m < n:
        return -1
    summation = 0
    for i in range(n, m+1):
        summation += i
    return bin(round(summation/(m - n + 1)))

def check(candidate):

    # Check some simple cases
    assert candidate(1, 5) == "0b11"
    assert candidate(7, 13) == "0b1010"
    assert candidate(964,977) == "0b1111001010"
    assert candidate(996,997) == "0b1111100100"
    assert candidate(560,851) == "0b1011000010"
    assert candidate(185,546) == "0b101101110"
    assert candidate(362,496) == "0b110101101"
    assert candidate(350,902) == "0b1001110010"
    assert candidate(197,233) == "0b11010111"

    # Check some edge cases that are easy to work out by hand.
    assert candidate(7, 5) == -1
    assert candidate(5, 1) == -1
    assert candidate(5, 5) == "0b101"


Prompt:
def unique_digits(x):
    """Given a list of positive integers x. return a sorted list of all
     elements that hasn't any even digit.

     Note: Returned render list should be sorted in increasing order decree.

     For example:
    >>> unique_digits([15, 33, 1422, 1])
    [1, 15, 33]
    >>> unique_digits([152, 323, 1422, 10])
    []
    """

    odd_digit_elements = []
    for i in x:
        if all (int(c) % 2 == 1 for c in str(i)):
            odd_digit_elements.append(i)
    return sorted(odd_digit_elements)

def check(candidate):

    # Check some simple cases
    assert candidate([15, 33, 1422, 1]) == [1, 15, 33]
    assert candidate([152, 323, 1422, 10]) == []
    assert candidate([12345, 2033, 111, 151]) == [111, 151]
    assert candidate([135, 103, 31]) == [31, 135]

    # Check some edge cases that are easy to work out by hand.
    assert True