code: def legend(self, txt=None):
          
          if txt:
              self._legend = txt
          else:
              return self._legend
          return self
docs: Set/get ``Actor`` legend text.
  
          :param str txt: legend text.
  
          Size and positions can be modified by setting attributes
          ``Plotter.legendSize``, ``Plotter.legendBC`` and ``Plotter.legendPos``.
  
          .. hint:: |fillholes.py|_