added random yes or no

app.py

@@ -1,7 +1,9 @@
 import gradio as gr 
+import random
 
-def echo (message, history) :
-    return message 
+def random_respond (message, history) :
+    respond_options = ["yes","no"]
+    return random.chioce(respond_options) 
     
 chatbot = gr.ChatInterface(echo)