大写字母的字符型变量 Upper-case Text
大多数变量和函数应以小写字母开头。
Most variables and functions should start with a lower case letter.
如果想要引用一个字母或词语而不是变量,请使用引号将其括起来。
If you want to refer to a letter or word rather than a variable, enclose it in quotes.
字母是变量,所以使用之前必须先为其赋值。
Letters are variables, so you must assign a value to them before you use them.
We'll actually see it's a wonderful way of effectively looping yourself back around, for instance if you're at the end of the alphabet So what about those variables?
如果我们要将某些东西首尾连在一起,在这个圈里循环,你就会看到它的奇妙之处了,譬如,你在字母表末,好,我么继续,这些变量都是些什么?
Well, get string again is returning the address of the string the user typed in, D the address of the very first character like the letter D and storing that address in this variable s1.
好的,GetString返回的是,用户输入的字符串的地址,第一个字符的地址,比如字母,然后把这个地址存储在这个变量s1中。
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