Update app.py

app.py

@@ -25,6 +25,12 @@ def echo(message, history):
     choices = ["Without a doubt", "Ask again later","Yes, definitely","Don't count on it"]
     response = random.choice(choices)
     return response
-gr.themes.builder()    
-chatbot = gr.ChatInterface(respond, type = "messages")
+  
+chatbot = gr.ChatInterface(respond, type = "messages",
+    title="🤖 AI Study Buddy",
+    description="Ask me anything about AI, ML, or Python!",
+    theme="dark", 
+    chatbot=gr.Chatbot(show_label=False),
+    submit_btn="Send",
+    stop_btn="Stop")
 chatbot.launch(debug=True)