list indices must be integers or slices, not tuple

如下两种状况都会出现此错误:html   points = [ [1, 2], [0, 4], [2, 0][12,1] ] list的维数必须一致:正确写法:code     points = [ [1, 2], [0, 4], [2, 0] ] 这个也会报错:htm     stations = ['Schagen', 'Heerhugowaar
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