code: def __init__(self, child_a, child_b):
      self.child_a = child_a
      self.child_b = child_b
  
imports: import os
  import tempfile
  import unittest
  import chainer
  import numpy
  import chainerrl
label_desc: Use image node_id 1 to create a new Parent2 object from inherited base classes: chainerrl.agent, object with example: obj = Parent2(child_a, child_b)