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()