code: def pow_mul_simplify(expr):
      if str(expr[0])[:5] == "#CPow" and expr[1][0] == "#Mul":
          return ("#Mul",) + tuple(((expr[0], i) for i in expr[1][1:]))
      if expr[0] == "#Pow" and expr[1][0] == "#Mul":
          return ("#Mul",) + tuple(
              (("#Pow", i, expr[2]) for i in expr[1][1:])
          )
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import numpy
  import tensorflow
label_desc: Use image node_id 12 for calling a global function with example usage: pow_mul_simplify(expr) and returns: unknown, unknown