And the fourth thing to notice is, I've used abstraction. I've said nothing about how I'm going to make square root.
第四件事情就是,我运用了抽象,我对怎么去求平方根没有提及。
All right. The fourth thing I'm going to do, is I'm going to then construct the block of code.
好,我要做的第四件事情就是,我会去写这块循环代码。
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