code: def _dump_mapping(self, data_map, map_tag=None):
      if map_tag is not None:
          print(f"Dump mapping: {map_tag}")
      for k, v in data_map.items():
          print(f"{k} = {v}")
  
imports: import os
  from typing import Dict
  import torch
  from .reshape_3d_utils import model_3d_desc
  from .reshape_utils import basic_folder_validation, merge_state, partition_data, get_files, get_files_with_prefix
  from .constants import MODEL_FILE_PREFIX, LAYER_FILE_PREFIX
  from .reshape_meg_2d import reshape_meg_2d_parallel, meg_2d_parallel_map
  from .zero_checkpoint import ZeROCheckpoint
  from .constants import *
label_desc: Use image node_id 29 for calling the DeepSpeedCheckpoint obj's underlying member method code with example usage: obj._dump_mapping(data_map, map_tag) without return types