docs: def combine_dicts(*dicts, copy=False, base=None):
      """
      Combines multiple dicts in one.
  
      :param dicts:
          A sequence of dicts.
      :type dicts: dict
  
      :param copy:
          If True, it returns a deepcopy of input values.
      :type copy: bool, optional
  
      :param base:
          Base dict where combine multiple dicts in one.
      :type base: dict, optional
  
      :return:
          A unique dict.
      :rtype: dict
  
      Example::
  
          >>> sorted(combine_dicts({'a': 3, 'c': 3}, {'a': 1, 'b': 2}).items())
          [('a', 1), ('b', 2), ('c', 3)]
      """
  
      if len(dicts) == 1 and base is None:  # Only one input dict.
          cd = dicts[0].copy()
      else:
          cd = {} if base is None else base  # Initialize empty dict.
  
          for d in dicts:  # Combine dicts.
              if d:
                  # noinspection PyTypeChecker
                  cd.update(d)
  
      # Return combined dict.
      return {k: _copy.deepcopy(v) for k, v in cd.items()} if copy else cd