code: def skip(save_csv_train, save_csv_dev, save_csv_test):
      """
      Detects if the RescueSpeech data preparation has been already done.
  
      If the preparation has been done, we can skip it.
  
      Returnsw
      -------
      bool
          if True, the preparation phase can be skipped.
          if False, it must be done.
      """
  
      # Checking folders and save options
      skip = False
  
      if (
          os.path.isfile(save_csv_train)
          and os.path.isfile(save_csv_dev)
          and os.path.isfile(save_csv_test)
      ):
          skip = True
  
      return skip
  
file_path: speechbrain/recipes/RescueSpeech/ASR/noise-robust/rescuespeech_prepare.py
imports: import os
  import re
  import csv
  import glob
  import logging
  import torchaudio
  import unicodedata
  from tqdm import tqdm
  from tqdm.contrib import tzip
  from speechbrain.dataio.dataio import read_audio
label_desc: Use image node_id 2 for calling a global function with example usage: skip(save_csv_train, save_csv_dev, save_csv_test) and returns: skip