Trying out Blocks with Gradio chat

app.py

@@ -1,9 +1,18 @@
-import time
 import gradio as gr
+import random
+import time
+
+with gr.Blocks() as demo:
+    chatbot = gr.Chatbot()
+    msg = gr.Textbox()
+    clear = gr.ClearButton([msg, chatbot])
+
+    def respond(message, chat_history):
+        bot_message = random.choice(["How are you?", "I love you", "I'm very hungry"])
+        chat_history.append((message, bot_message))
+        time.sleep(2)
+        return "", chat_history
 
-def slow_echo(message, history):
-    for i in range(len(message)):
-        time.sleep(0.3)
-        yield "You typed: " + message[: i+1]
+    msg.submit(respond, [msg, chatbot], [msg, chatbot])
 
-gr.ChatInterface(slow_echo).launch()
+demo.launch()