並前往https://accandrew2.pixnet.net/blog/post/360525269-%E9%86%AB%E5%AD%B8%E7%95%8C%E7%9A%84-mnist%EF%BC%9A6-%E7%A8%AE%E9%86%AB%E5%AD%B8%E5%BD%B1%E5%83%8F%E8%BE%A8%E8%AD%98