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And so the program may do different things on different runs. We'll see a lot of that, because it's used a lot in modern computing.
因此程序会对不同的输入做不同的操作,我们会看到很多这样的情况，因为它在现代计算中被广泛应用。
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to actually run the board in the studios. And so now I'm certified to host different radio shows,
这样我才能操作演播室力的仪器。现在，我已经有资格主持不同的电台节目了。
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Which would have a bunch of operations, like, I won't go into what they might be.
他们会有一些这样那样的操作，我不打算细讲。
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If I now say, I'm going to go ahead and change the radius of this, something, my polar form did it right, but what happened to the Cartesian form?
如果我现在说，我要去改变这里的半径,一些这样的操作，我的极坐标形式，进行了正确的改动？
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And in Python the expression is, operand, operator, operand, when we're doing simple expressions like this, and if I give it to the interpreter, it gives me back exactly what you'd expect, which is that value. OK?
在Python中表达式就是，运算对象，操作符，运算对象，当我们处理这样的简单表达式的时候，我把表达式传给处理器，处理器给我返回了我想要的结果，对不对？
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Because the IFs are saying, if it's true do this, otherwise skip on it.
因为IF是这样的，如果结果是真的，进行如下操作，如果不是那么跳过它吧。
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I can write it explicitly. I can write it inside of a FOR loop. And we've started to add, and we'll see a lot more of this, examples of collections of structures so that we don't just have to do something that can be easily described as walking through a set of things but can actually be a collection that you walk through.
我可以明确的写出来,我可以把它在FOR循环的内部写出来，然后我们开始学习了add这个运算符,我们会在以后学习很多的,集合的数据结构的例子,这样一来我们可以进行一些,很简单的遍历集合的操作,我想要为大家指出的最后一件事情是。
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