集合运算
A B
1 [5,3,a] [b,3,5]
2
=A1|B1
 
3
=A1&B1
 
4
=A1^B1
 
5
=A1\B1
 
6
=B1*2
 
7
=[1]*4
 

A2~A7中运算结果如下: