1 #！/usr/bin/env python
 2 # 世上最美的，莫过于从泪水中挣脱出来的那个微笑
 3 # Author: Msl23
 4 
 5 # 集合
 6 t = set([2,3,1,7,8,99])
 7 s = set([2,3,5,7,88,8])
 8 print(t,‘\n‘,s)
 9 
10 #并集：| = union
11 c = t | s
12 print(c)
13 
14 #交集  & = intersection
15 d = t & s
16 print(d)
17 
18 #差集: - = difference
19 
20 e = t - s
21 print(e)
22 f = s - t
23 print(f)
24 
25 #对称差集 ^ = symmetric_difference
26 g = t ^ s
27 print(g)