code: def extract_tarfiles(tarfiles, out_dir):
      for file in tarfiles:
          with tarfile.open(file, "r") as t:
              print("Extracting {} to {}".format(file, out_dir))
              t.extractall(out_dir)
  
file_path: neon/examples/ssd/datasets/ingest_pascalvoc.py
imports: from argparse import ArgumentParser
  from convert_xml_to_json import convert_xml_to_json
  import numpy
  import os
  import tarfile
  import ingest_utils
  from collections import OrderedDict
  from tqdm import tqdm
  from neon.util.persist import get_data_cache_or_nothing
label_desc: Use image node_id 2 for calling a global function with example usage: extract_tarfiles(tarfiles, out_dir) without return types