code: def merge_state_list(list_a, list_b, key_list):
      if len(list_a) != len(list_b):
          print(f"{_key_list_to_string(key_list)}")
          raise ValueError(
              f"Cannot merge lists of different lengths, a = {len(list_a)} b = {len(list_b)}"
          )
  
      return [
          merge_state(a, b, key_list) for a, b in zip(list_a, list_b)
      ]
  
file_path: 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 9 for calling a global function with example usage: merge_state_list(list_a, list_b, key_list) and returns: unknown