code: def log_mul_simplify(expr):
      if expr[0] == "#Log" and expr[1][0] == "#Mul":
          return ("#Add",) + tuple(("#Log", i) 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 11 for calling a global function with example usage: log_mul_simplify(expr) and returns: unknown