摘要: import re,math def qcysf(s): while re.findall('\+\-|\+\+|\-\-|\-\+',s): s = s.replace('+-','-') s = s.replace('++','+') s = s.replace('--','+') s = s. 阅读全文
posted @ 2018-05-23 19:20 狂奔__蜗牛 阅读(4003) 评论(0) 推荐(0)
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