code: def request_file(link, outfile, force_rerun_flag=False):
      
      if force_rerun(flag=force_rerun_flag, outfile=outfile):
          req = requests.get(link)
          if req.status_code == 200:
              with open(outfile, 'w') as f:
                  f.write(req.text)
              log.debug('Loaded and saved {} to {}'.format(link, outfile))
          else:
              log.error('{}: request error {}'.format(link, req.status_code))
      return outfile
docs: Download a file given a URL if the outfile does not exist already.
  
      Args:
          link (str): Link to download file.
          outfile (str): Path to output file, will make a new file if it does not exist. Will not download if it does
              exist, unless force_rerun_flag is True.
          force_rerun_flag (bool): Flag to force re-downloading of the file if it exists already.
  
      Returns:
          str: Path to downloaded file.