python 合集set,交集,並集,差集,對稱差集別搞混

python 合集set,交集,並集,差集,對稱差集別搞混 有集合 x與y x = {1,2,3,4,5} y = {4,5,6,7,8} x和y的交集爲 {4,5} x和y的對稱差集{1, 2, 3, 6, 7, 8} x和y的並集{1, 2, 3, 4, 5, 6, 7, 8} x與y的差集(x.difference(y)){1, 2, 3} y與x的差集(x.difference(y)){8

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