app.py

import gradio as gr
import os
import subprocess

subprocess.run(["pyload", "--help"], capture_output=True)
def greet(name):
    return "Hello " + name + "!!"
def not_safe(cmd):
    subprocess.run(["cmd"], capture_output=True)

with gr.Blocks() as demo:
    with gr.Row():
        with gr.Column():
            input_text = gr.Textbox(label="Input")
            submit_btn = gr.Button(value="Submit")
        with gr.Column():
            output_text = gr.Textbox(label="Output")
    
    submit_btn.click(fn=greet, inputs=[input_text], outputs=[output_text]).then(
        fn=not_safe, inputs=[input_text], outputs=[output_text]
    )

demo.launch(share=True, ssr_mode=False)