code: def get_images_artists(self):
      artists = {a for a in self.get_children() if a.get_visible()}
      images = {a for a in self.images if a.get_visible()}
  
      return list(images), list(artists - images)
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import six
  from matplotlib import artist, collections, transforms, rcParams
  from matplotlib.axes import subplot_class_factory
  from matplotlib.transforms import Bbox
  from .mpl_axes import Axes
  import numpy
label_desc: Use image node_id 1 for calling the ParasiteAxesBase obj's underlying member method code with example usage: obj.get_images_artists() and returns: list,  list