code: def _initialize_kvstore(
      kvstore, param_arrays, arg_params, param_names, update_on_kvstore
  ):
      """Initialize kvstore"""
      for idx, param_on_devs in enumerate(param_arrays):
          name = param_names[idx]
          if (
              not update_on_kvstore
              or arg_params[name].stype != "default"
          ):
              kvstore.init(name, arg_params[name])
          else:
              kvstore.broadcast(
                  name, arg_params[name], out=param_on_devs
              )
  
file_path: mxnet/python/mxnet/model.py
imports: import os
  import logging
  from collections import namedtuple
  import numpy
  from .None import ndarray
  from .None import symbol
  from .None import kvstore
  from .device import cpu
label_desc: Use image node_id 3 for calling a global function with example usage: _initialize_kvstore(kvstore, param_arrays, arg_params, param_names, update_on_kvstore) without return types