code: def extracttar(filename):
      tar = tarfile.open(filename)
      tar.extractall(path=os.path.dirname(filename))
      tar.close()
      os.remove(filename)
  
file_path: speechbrain/recipes/Aishell1Mix/prepare_data.py
imports: import os
  import csv
  import tarfile
  import zipfile
  import glob
  import tqdm.contrib.concurrent
  import soundfile
  import functools
  from pysndfx import AudioEffectsChain
  from urllib.request import urlretrieve
label_desc: Use image node_id 4 for calling a global function with example usage: extracttar(filename) without return types