code: def is_dist_avail_and_initialized() -> bool:
      if not dist.is_available():
          return False
      if not dist.is_initialized():
          return False
      return True
  
imports: import gc
  import inspect
  import logging
  import os
  import pickle
  import typing
  import functools
  from typing import Any, Dict, List, Optional
  import numpy
  import torch
  from torch import Tensor
  import torch.distributed
  from pytorch_toolbelt.utils.bucket_assignment import naive_bucket_assignment, compute_bucket_imbalance_score, random_bucket_assignment, filler_bucket_assignment
label_desc: Use image node_id 2 for calling a global function with example usage: is_dist_avail_and_initialized() and returns: True, False, False