在07-8-3,fjliuyouhui <fjliuyouhui at sina.com> 写道: > > 说错: 应该是 "双冒号" > > p[::-1] > 常用的就s[::-1]反序。 -------------- next part -------------- An HTML attachment was scrubbed... URL: http://python.cn/pipermail/python-chinese/attachments/20070804/c2f6dbad/attachment.html