Update app.py

app.py

@@ -3,10 +3,14 @@ import gradio as gr
 def greet(name):
     return f"Hello {name}!"
 
-with gr.Blocks() as demo:
-    name = gr.Textbox(label="Name")
-    output = gr.Textbox()
-    btn = gr.Button("Greet")
-    btn.click(greet, inputs=name, outputs=output)
+def create_app():
+    with gr.Blocks() as demo:
+        gr.Markdown("## Simple Greeting App")
+        name = gr.Textbox(label="Enter your name")
+        output = gr.Textbox(label="Greeting")
+        btn = gr.Button("Greet")
+        btn.click(greet, inputs=name, outputs=output)
+    return demo
+
+demo = create_app()
 
-demo.launch()