code: def file_io_demo():
      demo = gr.Interface(
          lambda x: print("foox"),
          [gr.File(file_count="multiple"), "file"],
          [gr.File(file_count="multiple"), "file"],
      )
  
      return demo
  
imports: import inspect
  import random
  import time
  import gradio
  import pytest
  from pydub import AudioSegment
label_desc: Use image node_id 12 for calling a global function with example usage: file_io_demo() and returns: demo