code: def line(self, plunge, bearing, *args, **kwargs):
          
          lon, lat = stereonet_math.line(plunge, bearing)
          args, kwargs = self._point_plot_defaults(args, kwargs)
          return self.plot([lon], [lat], *args, **kwargs)
docs: Plot points representing linear features on the axes. Additional
          arguments and keyword arguments are passed on to `plot`.
  
          Parameters
          ----------
          plunge, bearing : number or sequence of numbers
              The plunge and bearing of the line(s) in degrees.  The plunge is
              measured in degrees downward from the end of the feature specified
              by the bearing.
          **kwargs
              Additional parameters are passed on to `plot`.
  
          Returns
          -------
          A sequence of Line2D artists representing the point(s) specified by
          `strike` and `dip`.