Update app.py

app.py

@@ -1,3 +1,12 @@
 import gradio as gr
 
-print('test')
+def greet(name, intensity):
+    return "Hello, " + name + "!" * int(intensity)
+
+demo = gr.Interface(
+    fn=greet,
+    inputs=["text", "slider"],
+    outputs=["text"],
+)
+
+demo.launch()