code: def inverse_identity(matrix):
      return matrix
  
file_path: neural-structured-learning/research/multi_representation_adversary/multi_representation_adversary/transforms.py
imports: import math
  import gin
  import numpy
  import tensorflow.compat.v2
label_desc: Use image node_id 4 for calling a global function with example usage: inverse_identity(matrix) and returns: matrix