code: def download_data(dataset_name=None):
      
      try:
          from itertools import zip_longest
      except ImportError:
          from itertools import izip_longest as zip_longest
  
      dr = data_resources[dataset_name]
      if not authorize_download(dataset_name):
          raise Exception("Permission to download data set denied.")
  
      zip_urls = (dr['urls'], dr['files'])
  
      if 'save_names' in dr: zip_urls += (dr['save_names'], )
      else: zip_urls += ([],)
  
      if 'suffices' in dr: zip_urls += (dr['suffices'], )
      else: zip_urls += ([],)
  
      for url, files, save_names, suffices in zip_longest(*zip_urls, fillvalue=[]):
          for f, save_name, suffix in zip_longest(files, save_names, suffices, fillvalue=None):
              download_url(os.path.join(url,f), dataset_name, save_name, suffix=suffix)
  
      return True
docs: Check with the user that the are happy with terms and conditions for the data set, then download it.