Update app.py

app.py

@@ -1,10 +1,13 @@
 import gradio as gr
+import random
 # import lines go at the top, any libraries I need to import go above ^^
 
-def echo(message, history):
-    return message
+# def echo(message, history):
+    # return message
+def yes_or_no(message, history):
+    return random.choice(['Yes', 'No'])
 
 print("Hello World!")
-chatbot = gr.ChatInterface(echo, type="messages")
+chatbot = gr.ChatInterface(yes_or_no, type="messages")
 
 chatbot.launch()