# import subprocess

# # 安装单个包
# package_name = "flask"
# subprocess.check_call(["pip", "install", package_name])

import gradio as gr

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

with gr.Blocks() as demo:
    user_name = gr.State(value='')
    name_input = gr.Textbox(visible = True,lines=1, label='Name input')
    name_output = gr.Textbox(visible = True,lines=1, label='Name output')
    btn = gr.Button(value="Send")
    btn.click(greet, inputs = [name_input, user_name], outputs=name_output)
demo.queue()
demo.launch()    # server_port=7832, share=True
    


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