For at least four decades, people have been building tools called debuggers.
在过去的至少四十年里,人们一直在做一种叫做调试器的工具。
OK, in a few minutes we're going to start talking then about what is computation, how are we going to start building those tools, but that's what you should take away, that's what you're going to gain out of this course by the time you're done.
好啦,我们会花一点儿时间,谈谈什么是计算,我们如何去建造这些工具,但是这些是你应该,在离开这个课堂时,应该学会的事儿。
And henceforth I'm gonna start calling these tools, these monickers that I can use as building blocks in my own program, it's gonna be called a function as we'll see.
从此以后,我将在我的程序里把这些工具,称为我们可以用来写代码的组件,在我自己的程序中,我们将了解到它被叫做为一个函数。
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