code: def download_dataset(root: str):
      """
      Download the Standford Cars dataset archives and expand them in the folder provided as parameter
      """
      download_and_extract_archive(
          url=TRAIN_IMAGE_URL, download_root=root
      )
      download_and_extract_archive(
          url=TRAIN_ANNOT_URL, download_root=root
      )
      download_and_extract_archive(
          url=TEST_IMAGE_URL, download_root=root
      )
      download_url(url=TEST_ANNOT_URL, root=root)
  
imports: import argparse
  import os
  import shutil
  from scipy import io
  from torch.utils.data import DataLoader
  from tqdm import tqdm
  from vissl.utils.download import download_and_extract_archive, download_url
  from vissl.utils.io import cleanup_dir
label_desc: Use image node_id 2 for calling a global function with example usage: download_dataset(root) without return types