And one of the things neophytes trip over early on is that we'll soon see there's not only an equal sign operator, there's equals equals.

这样我们还要引入了一个新的操作符,我们将看到这里不仅有一个等号的操作，还有双等号。

哈佛公开课 - 计算机科学课程节选

bug Now, this was not the bug in this program because I did, in fact, use the equality operator and so it feels like if I type the word foo both times I should, in fact, get back you type the same thing.

现在，在这个程序中这个不是，因为，实际上，我使用了等于号,如果我输入单词foo两次，我返回给你“输入了相同的东西“

哈佛公开课 - 计算机科学课程节选