code: def download(
      url: str,
      folder: str,
      root: str = os.path.expanduser("~/.cache/backprop"),
      force: bool = False,
  ):
      """
      Downloads file from url to folder
      """
  
      path = os.path.join(root, folder)
      os.makedirs(path, exist_ok=True)
      filename = os.path.basename(url)
  
      download_target = os.path.join(path, filename)
  
      if os.path.isfile(download_target) and not force:
          return download_target
  
      if os.path.exists(download_target) and not os.path.isfile(
          download_target
      ):
          raise RuntimeError(
              f"{download_target} exists and is not a regular file"
          )
  
      with urllib.request.urlopen(url) as source, open(
          download_target, "wb"
      ) as output:
          with tqdm(
              total=int(source.info().get("Content-Length"))
          ) as loop:
              while True:
                  buffer = source.read(8192)
                  if not buffer:
                      break
  
                  output.write(buffer)
                  loop.update(len(buffer))
  
      return download_target
  
imports: import os
  import urllib
  from tqdm import tqdm
label_desc: Use image node_id 1 for calling a global function with example usage: download(url, folder, root, force) and returns: download_target, download_target