练习

#！/usr/bin/env python
# -*- coding:utf-8 -*-

#99乘法表
# for item1 in range(1,10):
#     for item2 in  range(1,item1+1):
#         print(item2,"*",item1,"=",item1*item2,"\t",end="")
#     print()

l1 = [11,22,33,55,77,88,99,451,7489]
l2 = [22,33,44,22,77,88,99,855,999,156465]
print(l1)
print(l2)
cc = []
dd = []
yy = []
for i in l1:
    if i not in l2 :
        cc.append(i)
    if i in l2 :
        yy.append(i)
for i in l2:
    if i not in l1:
        dd.append(i)
print("l1有l2无：",cc)
print("l1无l2有：",dd)
print("l1,l2都存在：",yy)