code: def help(name=None):
      """help(name=None)
  
      Print the documentation of the format specified by name, or a list
      of supported formats if name is omitted.
  
      Parameters
      ----------
      name : str
          Can be the name of a format, a filename extension, or a full
          filename. See also the :doc:`formats page <../formats/index>`.
      """
      if not name:
          print(formats)
      else:
          print(formats[name])
  
imports: import re
  import warnings
  from numbers import Number
  from pathlib import Path
  from typing import Dict
  import numpy
  from imageio.core.legacy_plugin_wrapper import LegacyPlugin
  from imageio.core.util import Array
  from imageio.core.v3_plugin_api import PluginV3
  from .None import formats
  from .config import known_extensions, known_plugins
  from .core import RETURN_BYTES
  from .core.imopen import imopen
label_desc: Use image node_id 2 for calling a global function with example usage: help(name) without return types