code: def get_world_size():
      if not is_dist_avail_and_initialized():
          return 1
  
imports: from collections import OrderedDict
  import torch
  from torch import nn
  from torch.jit.annotations import Dict
  from torch.nn import functional
label_desc: Use image node_id 14 for calling a global function with example usage: get_world_size() and returns: int