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。
We have some set of things we want to do with strings, and different set of things we want to do with numbers.
这就对了,我们有一个可以对字符串,进行操作的方法集,还有另外一个不同的。
Good question, so there is this little reading head kind of like in an old phonograph player that does move back and forth and in and out depending on the implementation.
好问题,这就像,老留声机里的小读头,它通过来回移动,来完成不同的操作。
Append sticks the list on the end of the list, append flattens it, one level of course.
因此串联加操作符和append方法,是不同的,Append方法把一个数组。
Because this is overloading that multiplication operator with two different tasks.
因为这会造成使得乘法操作符,对两种不同的任务造成重载。
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