Update app.py

app.py

@@ -0,0 +1,8 @@
+import gradio as gr
+
+def greet(name, intensity):
+    return "Hello, " + name + "!" * int(intensity)
+    
+demo = gr.Interface(   fn=greet,  inputs=["text", "slider"], outputs=["text"],
+                   )
+demo.launch()