Update app.py

app.py

@@ -1,3 +1,17 @@
 import streamlit as st
 
-st.markdown("Hello World")
+st.markdown("Hello World")
+
+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()