code: def get_optimizer_version(bigdl_type="float"):
      """
      Get DistriOptimizer version.
      return optimizerVersion
      """
      return callZooFunc(bigdl_type, "getOptimizerVersion")
  
imports: from bigdl.util.common import *
  from zoo.common.utils import callZooFunc
  from zoo.util.utils import set_python_home
  import warnings
  import multiprocessing
  import os
  import threading
  import sys
label_desc: Use image node_id 18 for calling a global function with example usage: get_optimizer_version(bigdl_type) and returns: callZooFunc