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。
Since that object is itself a list, what I get is a list of lists.
因为这个对象本身就是个数组,因此我得到了一个包含数组的数组。
So I've appended this whole object.
因此我把整个对象都加到空数组里面去了。
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