https://blog.youkuaiyun.com/Komidyzh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/Komidy/article/details/128412873https://blog.youkuaiyun.com/Komidy/article/details/128412873KomidyThu, 22 Dec 2022 19:59:49 +0800>str;执行时，从键盘输入：所得的结果是str=（ B ）。]]>