Could be ints, could be floats, could be a combination of things, some ints, some floats, some lists, some strings, some lists of lists, whatever.

但是我们知道数组内部的元素，可以是任何对象，可能是整数也可能是浮点数，也可能是对象的组合，一些整数。

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Now, you might have said, gee, why didn't it just assume that I wanted to in fact treat these as strings, and combine them together?

现在，你们可能会认为，伊，为什么Python不假设,我实际上想把这些对象当做字符串一样对待，然后把它们组合到一起呢？

麻省理工公开课 - 计算机科学及编程导论课程节选