code: def save_dialogue_dataset(
      dataset: Dict[str, Dict[str, Any]], save_file: str
  ) -> None:
      """
      Saves the dialogue dataset at dst_folder/file_name as a json file.
  
      Arguments
      ---------
      dataset: Dict[str, Dict[str, Any]]
          Dataset, keys are str, values are dictionaries containing the
          dialogue history, the system reply, and the mean length.
      save_file: str
          Path to the folder where the original MultiWOZ dataset is stored.
      """
      with open(save_file, "w") as f:
          json.dump(dataset, f, indent=4)
  
imports: from itertools import product
  from statistics import mean
  from typing import Any, Dict, List, Optional, Set, Tuple
  import json
  import logging
  import os
  import re
  import shutil
  from tqdm import tqdm
  from speechbrain.utils.data_utils import download_file
label_desc: Use image node_id 16 for calling a global function with example usage: save_dialogue_dataset(dataset, save_file) without return types