google Imagine you want to search through Google to find a particular page. You want to do it in a second. And you're going to just do it the brute force way, assuming you could even reach all of those pages in that time.
假设你想通过,搜索一个特定的网页,你想在1秒内得到结果,然后你就只管去做了,认为能在1秒内遍历遍所有的网页。
and then one day I'll be like, "Oh, I want to dress like a clown today, so I will."
而可能有时候,我想,“喔,今天我想打扮成一个小丑,然后我就这么做了。”
self y Notice what I also do here, I create self dot y, give it a value, and then, oh cool, I can also set up what's the radius and angle for this point, by just doing a little bit of work.
我创建了,然后给它赋值,然后,噢太酷了,通过做一点额外的工作,就可以得到点的半径和角度了,好,实际上如果。
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