If someone is detained because they appear ill, a medical expert from the Centers for Disease Control and Prevention comes to the scene to check them and, if necessary, send them back over the border.

VOA: standard.2009.04.30

It is going to give me back a tuple a collection of two things, and so check out the syntax.

它将给我返回一个数组或者系列的一对值,然后检查一下语法。

麻省理工公开课 - 计算机科学及编程导论课程节选

All right, and let's just check this out, because I want to make a point of this, let's go back and do the following.

好，让我们记住这一点，因为我想要强调下这里，我们回过头去做如下的操作：

麻省理工公开课 - 计算机科学及编程导论课程节选

Having reached the end of the block, go back up and check the test.

执行到了这块代码的最后，程序会回去再做一次测试。

麻省理工公开课 - 计算机科学及编程导论课程节选

In either case, I take that value and multiply back by two, if it was even I get back the original number, if it was odd, I'm not going to get back the original number, so I can just check to see if they're the same.

在两种情况中，我都把结果值,再乘以2，如果x是偶数我就,得到了原来的值，如果x是奇数那么就不会得到,原来的值，因此我看看得到的值,和原来的值相等不相等就可以了。

麻省理工公开课 - 计算机科学及编程导论课程节选