Update app.py

app.py

@@ -1,9 +1,7 @@
-from flask import Flask
-app = Flask(__name__)
+import gradio as gr
 
-@app.route('/')
-def hello_world():
-    return 'Hello, World!'
+def greet():
+    return "Hello, World!"
 
-if __name__ == '__main__':
-    app.run(host='0.0.0.0', port=7860)
+iface = gr.Interface(fn=greet, inputs=[], outputs="text")
+iface.launch()