add examples

app.py

@@ -72,8 +72,11 @@ def respond(
         outputs.append(text)
         yield "".join(outputs)
 
+chatbot = gr.Chatbot(placeholder="<strong>MagpieLM-Chat-4B (v0.1)</strong>")
+
 demo = gr.ChatInterface(
-    respond,
+    fn=respond,
+    chatbot=chatbot,
     additional_inputs=[
         gr.Textbox(value="You are Magpie, a helpful AI assistant. For simple queries, try to answer them directly; for complex questions, try to think step-by-step before providing an answer.", label="System message"),
         gr.Slider(minimum=128, maximum=2048, value=512, step=64, label="Max new tokens"),
@@ -89,9 +92,17 @@ demo = gr.ChatInterface(
     ],
     description=header,  # Add the header as the description
     title="MagpieLM-4B Chat (v0.1)",
-    theme=gr.themes.Soft()
-)
+    theme=gr.themes.Soft(), 
+    examples=[
+        ["Hello, what is your name?"],
+        ["Can you write a poem for me?"],
+        ["What's the meaning of life?"],
+    ]
+) 
+
+# set a default message in the chatbox to start the conversation
+# demo.chatbot.placeholder = "Hello! What's your name?"
 
 if __name__ == "__main__":
     demo.queue()
-    demo.launch(share=True)
+    demo.launch(share=True, show_api=False)