Coded yes_or_no function

app.py

@@ -1,10 +1,15 @@
 import gradio as gr
+import random
 #import lines go at the top! Any libraries I need to import go up here ^^
 
-def echo(message, history):
-    return message
+def yes_or_no(message, history):
+    return random.choice(['Yes', 'No'])
     
-chatbot = gr.ChatInterface(echo)
+#def echo(message, history):
+#    return message
+
+print("Hello world!")
+chatbot = gr.ChatInterface(yes_or_no, type= "messages")
 #defining my chatbot so that the user can interact, see their conversation history, and send new messages
 
 chatbot.launch()