added the like button

app.py

@@ -55,6 +55,12 @@ with gr.Blocks(theme=theme) as demo:
     msg = gr.Textbox()
     clear = gr.Button("Clear")
     chat_history = []
+
+    def vote(data: gr.LikeData):
+        if data.liked:
+            print("You upvoted this response: " + data.value)
+        else:
+            print("You downvoted this reposnse: " + data.value)
     
     def user(user_message, chat_history):
 
@@ -83,6 +89,7 @@ with gr.Blocks(theme=theme) as demo:
         chat_history.append((user_message, response["answer"]))
         return gr.update(value=""), chat_history
     msg.submit(user, [msg, chatbot], [msg, chatbot], queue=False)
+    chatbot.like(vote, None, None)
     clear.click(lambda: None, None, chatbot, queue=False)
 
 if __name__ == "__main__":