code: def test_cpow_mul_simplify(self):
      expr = ("#CPow2.1", ("#Mul", (3,), (4.0,), (1.2e01,)))
      did_something, new_expr = pow_mul_simplify(expr)
      self.assertTrue(did_something)
      self.assertEqual(
          new_expr,
          (
              "#Mul",
              ("#CPow2.1", (3,)),
              ("#CPow2.1", (4.0,)),
              ("#CPow2.1", (1.2e01,)),
          ),
      )
      did_something, new_expr = pow_mul_simplify(new_expr)
      self.assertFalse(did_something)
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import edward
  import numpy
  import tensorflow
  from edward.inferences.conjugacy.simplify import *
  from edward.inferences.conjugacy.simplify import _mul_n
label_desc: Use image node_id 8 for calling the test_simplify_class obj's underlying member method code with example usage: obj.test_cpow_mul_simplify() without return types