並前往https://ccenjor.pixnet.net/blog/post/221913009-36716%E7%A8%AE%E5%B8%B8%E8%A6%8B%E7%9A%84countif%E5%87%BD%E6%95%B8%E5%85%AC%E5%BC%8F%E8%A8%AD%E7%BD%AE
