code: def is_dist_avail_and_initialized():
      if not dist.is_available():
          return False
      if not dist.is_initialized():
          return False
      return True
  
imports: import datetime
  import errno
  import os
  import time
  from collections import defaultdict, deque
  import torch
  import torch.distributed
label_desc: Use image node_id 4 for calling a global function with example usage: is_dist_avail_and_initialized() and returns: True, False, False