code: def download_and_extract(task, data_dir):
      print("Downloading and extracting %s..." % task)
      data_file = "%s.zip" % task
      urllib.request.urlretrieve(TASK2PATH[task], data_file)
      with zipfile.ZipFile(data_file) as zip_ref:
          zip_ref.extractall(data_dir)
      os.remove(data_file)
      print("\tCompleted!")
  
file_path: texar/examples/bert/data/download_glue_data.py
imports: import argparse
  import os
  import sys
  import urllib.request
  import zipfile
label_desc: Use image node_id 1 for calling a global function with example usage: download_and_extract(task, data_dir) without return types