code: def read_file_to_string(filename):
      """Returns the entire contents of a file to a string.
  
      Args:
        filename: string, path to a file
      """
      return tf.compat.v1.gfile.GFile(filename, mode="r").read()
  
file_path: hub/tensorflow_hub/tf_utils.py
imports: import os
  import time
  import uuid
  from absl import logging
  import tensorflow
label_desc: Use image node_id 1 for calling a global function with example usage: read_file_to_string(filename) and returns: tf