code: def update(self, *args):
          
          self.multicolors = self.multicolors + Counter(arg for arg in args)
docs: Updates information about colors and their multiplicity in respective :class:`Multicolor` instance.
  
          By iterating over supplied arguments each of which should represent a color object, updates information about colors and their multiplicity in current :class:`Multicolor` instance.
  
          :param args: variable number of colors to add to currently existing multi colors data
          :type args: any hashable python object
          :return: ``None``, performs inplace changes to :attr:`Multicolor.multicolors` attribute