顺序 log range brush 拼接 res logs print
第一种情况是要对三个表同时进行迭代,第二种情况是依次对三个表进行迭代
- #!/usr/bin/env python
- #coding:utf-8
- #@Author:Andy
- # Date: 2017/6/11
- from random import randint
- # 3 lists
- l1 = [randint(1,100) for _ in range(1,10)]
- l2 = [randint(1,100) for _ in range(1, 10)]
- l3 = [randint(1,100) for _ in range(1, 10)]
- # 将三个表中的对应顺序的项相加,合并成一张表
- res = []
- # for a, b, c in zip(l1, l2, l3):
- # total = a+b+c
- # res.append(total)
- [res.append(a+b+c) for a,b,c in zip(l1, l2, l3)]
- print(res)
- # 统计三个表中,大于60的数,
- # 此时就需要对三个表依次迭代
- # 虽然列表可以直接进行相加、拼接但不建议这样做
- res1 = []
- from itertools import chain
- # for i in chain(l1, l2, l3):
- # if i > 60:
- # res1.append(i)
- [res1.append(i) for i in chain(l1, l2, l3) if i > 60]
- print(res1)
在一个for循环里对多个列表进行迭代
来源: http://www.bubuko.com/infodetail-2311411.html