code: def list2file(self, outfile, list_data):
      list_data = list(set(list_data))
      with open(outfile, "w") as f:
          for line in list_data:
              f.write("{}\n".format(line))
  
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 8 for calling the DataSet obj's underlying member method code with example usage: obj.list2file(outfile, list_data) without return types