code: def get_rank() -> int:
      """
      Returns the torch.distributed rank of the process. 0 represents
      the main process and is the default if torch.distributed isn't set up
      """
      return (
          torch.distributed.get_rank()
          if torch.distributed.is_available()
          and torch.distributed.is_initialized()
          else 0
      )
  
file_path: ReAgent/reagent/core/utils.py
imports: import logging
  import pdb
  import sys
  from collections import defaultdict
  from typing import Dict, List
  import reagent.core.types
  import torch
  from torchrec import EmbeddingBagConfig
label_desc: Use image node_id 2 for calling a global function with example usage: get_rank() and returns: unknown