並前往https://learn.markteaching.com/%E3%80%90python-for-%E6%95%99%E5%AD%B8%E3%80%91for%E8%BF%B4%E5%9C%88%E8%88%87%E5%96%AE%E8%A1%8C%E7%9A%84%E5%9F%BA%E6%9C%AC%E7%94%A8%E6%B3%95/