code: def is_group_initialized(group_name):
      """Check if the group is initialized in this process by the group name."""
      return _group_mgr.is_group_exist(group_name)
  
imports: import logging
  import os
  from typing import List
  import numpy
  import ray
  from ray.util.collective import types
label_desc: Use image node_id 3 for calling a global function with example usage: is_group_initialized(group_name) and returns: _group_mgr