您可以为此设置键入任何字符串。
前面的星号表示匹配任何字符串。
该类将接收任何字符串并返回。
This class will take any string and return the same string back to us.
And then hash character takes in any string or character, single character, gives me back a number. Notice what I do.
然后哈希接受任何字符串或字母,单个字符,返回给我一个数字,注意我要做什么。
When you've been typing in words to the keyboard like your name or any word that you're trying to provide to the user, a string really looks like this.
当你们通过键盘键入单词,比如你的名字,或者你想提供给用户的任何单词,一个字符串实际上看起来就是这样。
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