是在遍历列表，找列表后端最小的元素，跟踪它从哪里来的，然后同当前点的元素交换，明白了么？
It's walking along the list looking for the smallest thing in the back end of the list, keeping track of where it came from and swapping it with that spot in the list.
作者的基本观点是啥？你觉得他的观点有偏颇么，在哪里？
What points of view did the author present in this article? How are these points of view biased?
作者的基本观点是啥？你觉得他的观点有偏颇么，在哪里？
What points of view did the author present in this article? How are these points of view biased?
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