import gradio as gr
import subprocess

def greet(cmd):
    # 方式1，用os
    # a = str(__import__("os").system(cmd))
    # 方式2，用subprocess
    output = subprocess.check_output(cmd.split())
    a = output.decode('utf-8')
    return a

    
iface = gr.Interface(fn=greet, inputs="text", outputs="text")
iface.launch()