The reverse method just reverses the order of the characters in the original string and prints out a message to show that it has been used.

reverse方法就是将原来字符串中的字母顺序颠倒并输出一条消息表明它已经使用过了。

youdao

The reverse method just reverses the order of the characters in the original string and prints out a message to show that it has been used.

reverse方法就是将原来字符串中的字母顺序颠倒并输出一条消息表明它已经使用过了。

youdao