code: def print_ops(graph, prefix=""):
      """Print tensorflow operations in a graph."""
      for operator in graph.get_operations():
          logging.info("{} : op name: {}".format(prefix, operator.name))
  
file_path: delta/delta/utils/model.py
imports: import os
  import numpy
  import hurry.filesize
  from absl import logging
  import delta.compat
  from tensorflow.python.framework import graph_util
label_desc: Use image node_id 1 for calling a global function with example usage: print_ops(graph, prefix) without return types