app.py

import streamlit as st 
import time 
def main(): 
    st.title("File Upload and Display")
# File upload 
uploaded_file = st.file_uploader("Upload a file") 
if uploaded_file is not None: 
    # Display file contents using st.markdown() 
    file_contents = uploaded_file.read().decode("utf-8") 
    st.markdown("### File Contents:") 
    st.markdown(f"```{file_contents}```") 
# Wait for 5 seconds 
time.sleep(5) 
# Show completed message 
st.success("File processing completed!") 
if __name__ == "__main__": 
    main()