Update app.py

app.py

@@ -1,9 +1,10 @@
 import gradio as gr
+import random
 
 
-def echo(message, history):
-	return message
-chatbot = gr.ChatInterface(echo)
+def respond(message, history):
+	return random.choice(["Yes", "No"])
+chatbot = gr.ChatInterface(respond)
 
 
 chatbot.launch()