# python集合 a = "sdasdasda" a1 = set(a)#把a变成集合(自动去重) print(a1) b = {"a","b","c"} d = "befghj" d = set(d) print(b&d)#交集 print(b|d)#并集 print(b-d)#差集
# python集合 a = "sdasdasda" a1 = set(a)#把a变成集合(自动去重) print(a1) b = {"a","b","c"} d = "befghj" d = set(d) print(b&d)#交集 print(b|d)#并集 print(b-d)#差集