Update app.py

app.py

@@ -1,7 +1,9 @@
 import gradio as gr
 
-def greet(name):
-    return "Hello " + name + "!!"
+def show_json(text):
+    return text
 
-demo = gr.Interface(fn=greet, inputs="text", outputs="text")
-demo.launch()
+demo = gr.Interface(fn=show_json, inputs="text", outputs="json")
+
+if __name__ == "__main__":
+    demo.launch()