code: def initialize_shared_graph(data_dir, zk_addr, zk_path, shard_num):
      return initialize_graph(
          {
              "mode": "remote",
              "zk_server": zk_addr,
              "zk_path": zk_path,
              "shard_num": shard_num,
              "num_retries": 1,
          }
      )
  
file_path: euler/tf_euler/python/euler_ops/base.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import ctypes
  import os
  import euler
  import tensorflow
  import logging
label_desc: Use image node_id 3 for calling a global function with example usage: initialize_shared_graph(data_dir, zk_addr, zk_path, shard_num) and returns: initialize_graph