code: def check_folders(*folders):
      """Returns False if any passed folder does not exist."""
      for folder in folders:
          if not os.path.exists(folder):
              return False
      return True
  
file_path: speechbrain/templates/speech_recognition/ASR/mini_librispeech_prepare.py
imports: import os
  import json
  import shutil
  import logging
  from speechbrain.utils.data_utils import get_all_files, download_file
  from speechbrain.dataio.dataio import read_audio
label_desc: Use image node_id 5 for calling a global function with example usage: check_folders() and returns: True, False