Update app.py

app.py

@@ -1,6 +1,5 @@
 import gradio as gr
 from datetime import datetime
-import time
 
 # Shared state to store messages
 messages = []
@@ -10,7 +9,7 @@ def chat(message, history):
     
     # Add the new message to the shared state
     timestamp = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
-    messages.append(f"[{timestamp}] {message}")
+    messages.append([f"User ({timestamp})", message])
     
     # Return the updated chat history
     return "", messages