清单2显示了主处理循环的开头。

Listing 2 shows the beginning of the main processing loop.

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同样，它可以使用大量处理循环。

As such, it can use a lot of processing cycles.

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数据传输和类型转换在请求处理循环的两端发生。

Data transfer and type conversions happen on both ends of the request processing cycle.

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I've written a little for loop, which is going to iterate over all of the elements in the list.

让我们先看看这儿的代码，我已经写了一个循环语句,用来迭代处理数组中所有的元素。

麻省理工公开课 - 计算机科学及编程导论课程节选

Ah ha, it goes into that accept portion, prints out a message, and goes back around the while loop to say try again. And it's going to keep doing this until I give it something that does serve as a float.

他会说输入一个浮点数，啊哈，它就到了那段处理代码,打印出消息,然后回到while循环让我们再输一次,它会持续这么做直到它接受到一个浮点数。

麻省理工公开课 - 计算机科学及编程导论课程节选