app.py

import gradio as gr

def greet(name):
    return "Hello " + name + "!"

def greet2(name):
    return "*********** " + name + " ***********"

def greet3(name):
    return "--------------------" + name + "-----------------"

def greet4(name):
    return "{{" + name + "}}"
# demo = gr.Interface(fn=greet2, inputs="text", outputs="text")
# demo = gr.Interface(fn=greet3, inputs="text", outputs="text")
demo = gr.Interface(fn=greet4, inputs="text", outputs="text")
demo.launch(share=True)