text: """function_simplest.py
  -------------------------
  
  This module enables someone to use ``function`` as a keyword
  equivalent to ``lambda``.
  """
  from ideas import import_hook
  import token_utils
  
  
  def transform_source(source, **kwargs):
      """A simple replacement of ``function`` by ``lambda``."""
      tokens = token_utils.tokenize(source)
      for token in tokens:
          if token == "λ":
              token.string = "lambda"
      return token_utils.untokenize(tokens)
  
  
  def add_hook():
      """Creates and automatically adds the import hook in sys.meta_path"""
      hook = import_hook.create_hook(transform_source=transform_source)
      return hook
  