app.py

import gradio as gr

aaa = 10

def bbb():
    global aaa
    if aaa % 2 == 0:
        return "LED on"
    else:
        return "LED off"

def increment():
    global aaa
    aaa += 1
    if aaa % 2 == 0:
        return "LED on"
    else:
        return "LED off"

with gr.Blocks() as demo:
    gr.Markdown('ledledled')
    gr.Markdown('https://yoon2566-requests1.hf.space')
    ccc = gr.Markdown()
    btn = gr.Button("Increase")
    demo.load(bbb, outputs=ccc)
    btn.click(increment, outputs=ccc)

demo.launch()