For those applications controlling the parser, a loop helps because the application can easily stop the reading after sniffing the first few lines.

对于控制解析器的应用程序而言，一次循环是必要的，因为应用程序很容易在嗅探前面几行之后停止读入。

youdao

Lines 3 through 8 are a loop.

第3到第8行是一个循环。

youdao

In the main program loop, there is no need for the code that ignores the header lines and the first two lines of input.

在主程序循环中，代码无需忽略标题行和输入的前两行。

youdao

So in other words, if you terminate these lines early, if you terminate the four loop early, if you terminate an if condition early with that semicolon, the code may very well work; and this is a common source -- of frustration and conundrum because you don't -- because your code looks right and yet it's misbehaving, but that semicolon means stop looking for subsequent lines of related code.

换句话说，如果你用分号过早的终止了这些代码行，如果你过早地终止了那个for循环，如果如此,一个if条件，代码可能可以运行，这就是,挫折和问题产生的源头，因为你没有-,因为你的代码看起来是正确的，但是运行是错误的，那个分号的意思是,停止寻找后面相关的代码。

哈佛公开课 - 计算机科学课程节选

With companies looking to trim staff to help their bottom lines, I predict that this will be a very unfortunate loop-hole that companies will take advantage of.

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