code: def get_rank():
      if not is_dist_avail_and_initialized():
          return 0
      return dist.get_rank()
  
imports: from collections import defaultdict, deque
  import datetime
  import pickle
  import time
  import errno
  import os
  import torch
  import torch.distributed
label_desc: Use image node_id 8 for calling a global function with example usage: get_rank() and returns: dist, int