app.py

import gradio as gr

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

def greet2(name):
    return "Hello " + name + "!!!!"


hello_world = gr.Interface(fn=greet, inputs="text", outputs="text")
bye_world = gr.Interface(fn=greet2, inputs="text", outputs="text")

demo = gr.TabbedInterface([hello_world, bye_world], ["Hello World", "Bye World"])

if __name__ == "__main__":
    demo.launch()