pages/3_app.py

import streamlit as st
import os

try:
    raw_docs_files = ", ".join(os.listdir("./raw_documents"))
    curr_directory_files = ", ".join(os.listdir("."))

    with open("./results/time_cost.txt", "r") as fp:
        time_cost_str = fp.read()

    system_update = raw_docs_files + "\n\n" + curr_directory_files + "\n\n" + time_cost_str

except:
    system_update = "NA"

st.write(f"Hello World! File list: {system_update}")