code: def _key_list_to_string(key_list):
      return ".".join(key_list)
  
file_path: H2O/h2o_flexgen/benchmark/third_party/DeepSpeed/deepspeed/checkpoint/reshape_utils.py
imports: import os
  import torch
  from collections import OrderedDict
  from .constants import ZERO_FILE_PREFIX, FP16_ZERO_FILE_PREFIX, BF16_ZERO_FILE_PREFIX
label_desc: Use image node_id 7 for calling a global function with example usage: _key_list_to_string(key_list) and returns: str