coded yes or no function

app.py

@@ -1,10 +1,14 @@
+import random
 import gradio as gr
 
-def echo(message, history):
-	return message
+# def echo(message, history):
+#	return message
+
+def yes_no(message, history):
+    return random.choice(["yes", "no"])
 
 print("Hello, world!")
 
-chatbot = gr.ChatInterface(echo, type="messages")
+chatbot = gr.ChatInterface(yes_no, type="messages")
 
 chatbot.launch()