docs: def copy(self):
          """Convert ``Dictator`` to standard ``dict`` object
  
          >>> dc = Dictator()
          >>> dc['l0'] = [1, 2]
          >>> dc['1'] = 'abc'
          >>> d = dc.copy()
          >>> type(d)
          dict
          >>> d
          {'l0': ['1', '2'], '1': 'abc'}
          >>> dc.clear()
  
          :return: Python's dict object
          :rtype: dict
          """
          logger.debug('call to_dict')
          return {key: self.get(key) for key in self.keys()}