app.py

import streamlit as st


with open('./answer.txt', 'r') as file:
    answer = file.readline()

st.image('./problem.jpeg')

user_answer = st.text_input('Insert your answer', value="")

if user_answer == "":
    pass
elif user_answer == answer:
    st.markdown('## YEAH! YOU MADE IT!')
else:
    st.markdown('#### Nope...')