text: """Map Comprehensions"""
  
  
  def inverse_filter_dict(dictionary, keys):
      """Filter a dictionary by any keys not given.
  
      Args:
          dictionary (dict): Dictionary.
          keys (iterable): Iterable containing data type(s) for valid dict key.
  
      Return:
          dict: Filtered dictionary.
      """
      return {key: val for key, val in dictionary.items() if key not in keys}
  
  
  def ne_dict(dictionary):
      """Prune dictionary of empty key-value pairs.
  
      Aliases: pruned()
      """
      return {k: v for k, v in dictionary.items() if v}
  
  
  def pruned(dictionary):
      """Prune dictionary of empty key-value pairs.
  
      Alias of ne_dict().
      """
      return ne_dict(dictionary)
  
  
  def prune_by_n_required_children(dictionary, n=1):
      """Return with only key value pairs that meet required n children."""
      return {key: val for key, val in dictionary.items() if len(val) >= n}
  