#set(集合)
#无序元素的集合
#元素是唯一的,重复元素被自动过滤
#set() 创建空集合
st01 = set()
#set(iterable) 使用可迭代对象创建集合
lt = [1,2,3,4,5] st = set(lt)02 向集合添加元素
#add(…)
st02 = set([1,2,3,4,5]) st02.add(6)03 乘除集合内所有元素
#clear(…)
st03 = set([1,2,3,4,5]) st03.clear()04 拷贝集合
#copy(…)
st03 = set([1,2,3,4,5]) st = st03.copy()05 返回集合A存在集合B不存在的元素
#difference(…)
st05_1 = set([1,2,5]) st05_2 = set([0,1,2,3,4]) st = st05_1.difference(st05_2)06 用集合A存在集合B不存在的元素更新集合A
#difference_update(…)
st06_1 = set([1,2,5]) st06_2 = set([0,1,2,3,4]) st06_1.difference_update(st06_2) st = st06_107 从集合中移除指定元素,如果该元素不在集合中则无 *** 作
#discard(…)
st07 = set([0,1,2,3,4,6]) st07.discard(7) st = st0708 返回两个集合的交集
#intersection(…)
st08_1 = set([0,1,2,3,4,6]) st08_2 = set([0,1,4,6,7,9]) st = st08_1.intersection(st08_2)09 用两个集合的交集更新集合A
#intersection_update(…)
st09_1 = set([0,1,2,3,4,6]) st09_2 = set([0,1,4,6,7,9]) st09_1.intersection_update(st09_2) st = st09_110 判断两个集合是否不相交
#isdisjoint(…)
st10_1 = set([0,1,2,3,4,6]) st10_2 = set([0,1,4,6,7,9]) st = st10_1.isdisjoint(st10_2)11 判断集合A是否为集合B的子集
#issubset(…)
st11_1 = set([0,4,6]) st11_2 = set([0,1,4,6,7,9]) st = st11_1.issubset(st11_2)12 判断集合A是否为集合B的超集
#issuperset(…)
st12_1 = set([0,4,6,1,7,8,9]) st12_2 = set([0,1,4,6]) st = st12_1.issuperset(st12_2)13 从非空集合中d出一个元素
#pop(…)
st13 = set([0,4,6,1,7,8,9]) st13.pop() st = st1314 从集合中移除一个成员元素
#remove(…)
st14 = set([0,4,6,1,7,8,9]) st14.remove(9) st = st1415 返回集合A与集合B的A∪B-A∩B的部分
#symmetric_difference(…)
st15_1 = set([0,4,6,1,7,8,9]) st15_2 = set([0,1,4,6,3,2]) st = st15_1.symmetric_difference(st15_2)16 用集合A与集合B的A∪B-A∩B的部分更新集合A
#symmetric_difference_update(…)
st16_1 = set([0,4,6,1,7,8,9]) st16_2 = set([0,1,4,6,3,2]) st16_1.symmetric_difference_update(st16_2) st = st16_117 集合A与集合B的A∪B
#union(…)
st17_1 = set([0,4,6,1,7,8,9]) st17_2 = set([0,1,4,6,3,2]) st = st17_1.union(st17_2)18 用集合A与集合B的A∪B更新集合A
#update(…)
st18_1 = set([0,4,6,1,7,8,9]) st18_2 = set([0,1,4,6,3,2]) st18_1.update(st18_2) st = st18_119 集合的其他 *** 作
st19 = set([0,4,6,1,7,8,9])
#len 获取集合大小
len(st19)
#min max 获取集合极值
min(st19)
max(st19)
#del 删除集合
del st19
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