当前位置: 编程技术>python
python list使用示例 list中找连续的数字
来源: 互联网 发布时间:2014-09-04
本文导语: 线上有个需求,格式化,从一堆s1,s100-s199中找出连续的服并且格式化显示出来,如:神魔:S106-109,s123,s125御剑: s106-109,s123,s125 代码如下:#!/usr/bin/env python# -*- coding: utf-8 -*- # 2014/01/15 14:15import sysfrom itertools import *from operator import ite...
线上有个需求,格式化,从一堆s1,s100-s199中找出连续的服并且格式化显示出来,如:
神魔:S106-109,s123,s125
御剑: s106-109,s123,s125
代码如下:
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# 2014/01/15 14:15
import sys
from itertools import *
from operator import itemgetter
def parse(filename):
d = {}
for line in open(filename, 'r'):
_line = line.split()
d.setdefault(_line[0], []).append(_line[1])
for key in d.keys():
data = sorted(map(lambda x: int(x[1:]), d[key]))
sys.stdout.write(key + " ")
for k, g in groupby(enumerate(data), lambda (i, x): i - x):
ret = map(itemgetter(1), g)
if len(ret) > 1:
sys.stdout.write("S%d-%d," % (ret[0], ret[-1]))
elif len(ret) == 1:
sys.stdout.write(str("S%s") % ret[0] + ",")
sys.stdout.write('n')
if __name__ == "__main__":
filename = sys.argv[1]
parse(filename)