So this plus plus is sort of shorthand notation for incrementation. So just add 1 to this variable's value, so now socks on feet is of course 1 and so next.
那么这个++符号是递增排序的,所以仅仅是对这个变量加一,现在袜子在脚上是一,那么下一个也是这样。
I then create a third variable called "z," add those two digits together, store the sum.
然后我声明了一个叫做“z“的变量“,把这两个数字加起来,把他们的总数存起来。
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