Square root of 16, and my plot basically shows it crosses at 4 and-- well, I think that's minus 4.
我的图清楚的显示这个函数,在4和-4两个点和x轴交合。
I'm actually just going to do something simple first, print the arguments to this function.
我实际上将要先做点简单的东西,打印函数的参数。
So in hydrogen atom a, I'll depict that here where the nucleus is this dot, and then the circle is what I'm depicting as the wave function.
在氢原子A里,我在这里把原子核画成一个点,这圆就是波函数。
So we'll talk a bit more about this idea of functions today, but, get int, again, can think of it as a black box, whose purpose in life is to prompt the human for input and pester the human if he or she doesn't actually give it int, but then once it has that, has entered it from the user, it's quote unquote, returns it to you.
所以我们进今天将多讨论点这个函数的概念,但是,GetInt,我们可以把它当做一个黑盒子,它的唯一目的是提示人们来输入,并且如果他或她没有,给它int数,则会纠缠用户,但是一旦它得到了,用户输入的int数,对输入进行引用,返回给你。
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