class_docstr: Creates a Code editor for entering, editing or viewing code.
  Preprocessing: passes a {str} of code into the function.
  Postprocessing: expects the function to return a {str} of code or a single-element {tuple}: {(string_filepath,)}
code: def postprocess(self, value: tuple | str | None) -> None | str:
      if value is None:
          return None
      elif isinstance(value, tuple):
          with open(value[0]) as file_data:
              return file_data.read()
      else:
          return value.strip()
  
file_path: gradio/gradio/components/code.py
imports: from __future__ import annotations
  from pathlib import Path
  from typing import Any, Literal
  from gradio_client.documentation import document, set_documentation_group
  from gradio.components.base import Component
  from gradio.events import Events
label_desc: Use image node_id 3 for calling the Code obj's underlying member method code with example usage: obj.postprocess(value) and returns: None, value, file_data