集合

#Author:ge jian

list_1=[1,2,6,7,4,6,9,3,4,5,8,2,7,1]

list_1=set(list_1)#集合


list_2=set([1,3,4,55,66,77,8,9,3])

print(list_1.intersection(list_2))#交集

print(list_1.union(list_2))#并集

print(list_1.difference(list_2))#差集in line1 not in line2

print(list_1,type(list_1))

print(list_1.issubset(list_2))#是否属于line2子集

print(list_1.issuperset(list_2))#父集

#反向差集

print(list_1.symmetric_difference(list_2))