In contrast, the code in Listing 4 puts a note at the end of the loop.

相反，清单4中的代码会在循环结束处输出一条说明。

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Add this code to the end of the iterator loop

将下列代码添加到迭代器循环的底部

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When loops hit the end of the loop or if it issues a continue, then that is the last thing it will do in that block of code.

当循环到达循环的末尾，或者它执行continue时，那是它在代码块中要做的最后一件事情。

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