Python 简明教程
Python - Set Exercises
Python Set Exercise 1
使用集合运算查找两个列表中共同元素的 Python 程序:
l1=[1,2,3,4,5]
l2=[4,5,6,7,8]
s1=set(l1)
s2=set(l2)
commons = s1&s2 # or s1.intersection(s2)
commonlist = list(commons)
print (commonlist)
它将生成以下 output −
[4, 5]