Update app.py

app.py

@@ -1,8 +1,12 @@
 import gradio as gr
+import random
 
-def echo(message, history):
-    return message
+def random_message(message, history):
+    choices = ["yes", "no"]
+    chat_answer = random.choice(choices)
+    #use random to select ones of those choices
+    return chat_answer
 
-chatbot = gr.ChatInterface(echo, type = 'messages')
+chatbot = gr.ChatInterface(random_message, type = 'messages')
 
 chatbot.launch()