code: def __init__(self, a, b):
      self._a = a
      self._b = b
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import six
  import matplotlib.cbook
  from matplotlib.axes import Axes
label_desc: Use image node_id 1 to create a new Add object from inherited base classes: _Base with example: obj = Add(a, b)