code: def save(self):
      if not exists(self.workspace):
          makedirs(self.workspace)
      self.list2file(
          join(self.workspace, "spk2gender"), sorted(self.spk2gender)
      )
      self.list2file(join(self.workspace, "text"), sorted(self.text))
      self.list2file(
          join(self.workspace, "wav.scp"), sorted(self.wavscp)
      )
      self.list2file(
          join(self.workspace, "utt2spk"), sorted(self.utt2spk)
      )
      self.list2file(
          join(self.workspace, "segments"), sorted(self.segments)
      )
  
file_path: espnet/egs2/dsing/asr1/local/data_prep.py
imports: import argparse
  import hashlib
  import json
  import re
  from os import listdir, makedirs
  from os.path import exists, isfile, join
label_desc: Use image node_id 9 for calling the DataSet obj's underlying member method code with example usage: obj.save() without return types