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()