Update app.py

app.py

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