什么是比较多个数组并删除重复项的最简单方法?
所以(在这种情况下,是嵌套数组)...
a = [[2, 1], [3, 3], [7, 2], [5, 6]]
b = [[2, 1], [6, 7], [9, 9], [4, 3]]
c = [[2, 1], [1, 1], [2, 2], [9, 9]]
d = [[2, 1], [9, 9], [2, 2], [3, 1]]
...会被输出(首先优先考虑数组a,然后是b,然后是c,最后是d)
a = [[2, 1], [3, 3], [7, 2], [5, 6]]
b = [[6, 7], [9, 9], [4, 3]]
c = [[1, 1], [2, 2]]
d = [[3, 1]]