app.py

import gradio as gr


def update(name):
    return f"Welcome to Gradio, {name}!"

demo = gr.Blocks()

with demo:
    with gr.Tabs():
        with gr.TabItem("Lion"):
            gr.Image("lion.jpg")
            gr.Button("New Lion")
        with gr.TabItem("Tiger"):
            gr.Image("tiger.jpg")
            gr.Button("New Tiger")

demo.launch()