集合

list1 = [1,3,4,7,2,7,10]
list1 = set(list1)
print(list1,type(list1))

list2 = set([2,4,45,12,35])
print(list2,type(list2))

#交集
print(list1.intersection(list2))
print(list1 & list2)

#并集
print(list1.union(list2))
print(list1 | list2)

#差集
print(list1.difference(list2))
print(list1 - list2)  # in list1 but not in list2
print(list2.difference(list1))

#对称差集,（两个集合并集-交集）
print(list1.symmetric_difference(list2))
print(list1^list2)

#判断是否是其子集/父集
list3 = set([1,3,10])
print(list3.issubset(list1))
print(list1.issuperset(list3))
#判断两个集合是否有交集
list4 =set([4,5,6])
print(list3.isdisjoint(list4))

#添加
list1.add('0')
print(list1)
#删除
list1.remove("0")
print(list1)

输出结果

"F:pythonpython installvenvScriptspython.exe" F:/python/pyProject/venv/集合
{1, 2, 3, 4, 7, 10} <class 'set'>
{2, 35, 4, 12, 45} <class 'set'>
{2, 4}
{2, 4}
{1, 2, 3, 4, 35, 7, 10, 12, 45}
{1, 2, 3, 4, 35, 7, 10, 12, 45}
{1, 10, 3, 7}
{1, 10, 3, 7}
{35, 12, 45}
{1, 35, 3, 7, 10, 12, 45}
{1, 35, 3, 7, 10, 12, 45}
True
True
True
{1, 2, 3, 4, '0', 7, 10}
{1, 2, 3, 4, 7, 10}

Process finished with exit code 0