code: def hello_world_with_group():
      with gr.Blocks() as demo:
          name = gr.Textbox(label="name")
          output = gr.Textbox(label="greeting")
          greet = gr.Button("Greet")
          show_group = gr.Button("Show group")
          with gr.Group(visible=False) as group:
              gr.Textbox("Hello!")
  
          def greeting(name):
              return f"Hello {name}", gr.Group(visible=True)
  
          greet.click(
              greeting,
              inputs=[name],
              outputs=[output, group],
              api_name="greeting",
          )
          show_group.click(
              lambda: gr.Group(visible=False),
              None,
              group,
              api_name="show_group",
          )
      return demo
  
imports: import inspect
  import random
  import time
  import gradio
  import pytest
  from pydub import AudioSegment
label_desc: Use image node_id 14 for calling a global function with example usage: hello_world_with_group() and returns: demo, str, name,  gr