摘要: In [43]: s = 'axxxxxxxxxxxxxxxxxxxxxxxxxxxxx'In [44]: [s[idx:idx+4] for idx in range(len(s)) if idx%4==0]Out[44]: ['axxx', 'xxxx', 'xxxx', 'xxxx', '... 阅读全文
posted @ 2012-03-12 15:59 samlee 阅读(324) 评论(0) 推荐(0)