Update app.py

app.py

@@ -3,5 +3,9 @@ import gradio as gd
 def greeting(name):
     return "Hello " + name
 
-demo = gd.Interface(fn=greeting, inputs='text', outputs='text')
+demo = gd.ChatInterface(fn=greeting,
+                        inputs='text',
+                        textbox=gr.Textbox(placeholder="Type the name to greet:", container=False, scale=7),
+                        title="Greeting",
+                        outputs='text')
 demo.launch()