code: def add_subcounter(self, color, count=0, all_fields=False):
          
  
          subcounter = SubCounter(self, color=color, count=count, all_fields=all_fields)
          self._subcounters.append(subcounter)
          return subcounter
docs: Args:
          color(str): Series color as a string or integer see :ref:`Series Color <series_color>`
          count(int): Initial count (Default: 0)
          all_fields(bool): Populate ``rate`` and ``eta`` formatting fields (Default: False)
  
      Returns:
          :py:class:`SubCounter`: Subcounter instance
  
      Add a subcounter for multicolored progress bars