code: def identity_op_simplify(expr):
      if expr[0] == "#Identity":
          return expr[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 7 for calling a global function with example usage: identity_op_simplify(expr) and returns: expr