code: def lambert_yticks(ax, ticks):
      
      te = lambda xy: xy[1]
      lc = lambda t, n, b: np.vstack((np.linspace(b[0], b[1], n), np.zeros(n) + t)).T
      yticks, yticklabels = _lambert_ticks(ax, ticks, 'left', lc, te)
      ax.yaxis.tick_left()
      ax.set_yticks(yticks)
      ax.set_yticklabels([ax.yaxis.get_major_formatter()(ytick) for ytick in yticklabels])
docs: Draw ricks on the left y-axis of a Lamber Conformal projection.