code: def _read_file_to_string(path):
      with tf.compat.v1.gfile.Open(path, "r") as f:
          return f.read()
  
imports: import copy
  import os
  from absl import logging
  import tensorflow
  from tensorflow_hub import saved_model_lib
  from tensorflow.core.protobuf import meta_graph_pb2
label_desc: Use image node_id 3 for calling a global function with example usage: _read_file_to_string(path) and returns: f