set中11怎么不見了
L = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
S?=?set([1,?3,?5,?7,?9]) for?item?in?L: ????if?item?in?S: ????????S.remove(item) ????else:SET ????????S.add(item) print(S)?#?==>?set([2,?4,?6,?8,?10])
set輸出2,4,6,8,10,其中11怎么不見了
L = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
S?=?set([1,?3,?5,?7,?9]) for?item?in?L: ????if?item?in?S: ????????S.remove(item) ????else:SET ????????S.add(item) print(S)?#?==>?set([2,?4,?6,?8,?10])
set輸出2,4,6,8,10,其中11怎么不見了
2021-03-28
舉報
2021-03-29
那是作業(yè)提示多寫了個11