摘要: >>> a= 2>>> print bin(a) //打印二进制0b10>>> print bin(a)[2:].zfill(4) //去掉0b,四位对其,前面补零。0010 阅读全文
posted @ 2015-04-15 22:22 JustRelax 阅读(5993) 评论(0) 推荐(0)