code: def left_axis_label(self, label, position=None,  rotation=60, offset=0.08,
                          **kwargs):
          
  
          if not position:
              position = (-offset, 3./5, 2./5)
          self._labels["left"] = (label, position, rotation, kwargs)
docs: Sets the label on the left axis.
  
          Parameters
          ----------
          label: String
              The axis label
          position: 3-Tuple of floats, None
              The position of the text label
          rotation: float, 60
              The angle of rotation of the label
          offset: float,
              Used to compute the distance of the label from the axis
          kwargs:
              Any kwargs to pass through to matplotlib.