import streamlit as st

# Function to convert temperatures
def convert_temperature(value, from_unit, to_unit):
    if from_unit == 'Celsius':
        if to_unit == 'Fahrenheit':
            return (value * 9/5) + 32
        elif to_unit == 'Kelvin':
            return value + 273.15
    elif from_unit == 'Fahrenheit':
        if to_unit == 'Celsius':
            return (value - 32) * 5/9
        elif to_unit == 'Kelvin':
            return ((value - 32) * 5/9) + 273.15
    elif from_unit == 'Kelvin':
        if to_unit == 'Celsius':
            return value - 273.15
        elif to_unit == 'Fahrenheit':
            return ((value - 273.15) * 9/5) + 32
    return value

# Streamlit app layout
st.title("Temperature Converter")

# Input temperature value
temp_value = st.number_input("Enter temperature value", step=0.1)

# Select units for conversion
from_unit = st.selectbox("From", ["Celsius", "Fahrenheit", "Kelvin"])
to_unit = st.selectbox("To", ["Celsius", "Fahrenheit", "Kelvin"])

# Convert button
if st.button("Convert"):
    converted_value = convert_temperature(temp_value, from_unit, to_unit)
    st.write(f"{temp_value} {from_unit} is equal to {converted_value:.2f} {to_unit}")