梦里一米七八

摘要： l = [1,3,5,7,9,11,13,15,17,19,21,23,25,27,29,31] def find(l ,aim ,start = 0,end = None): end = len(l) if end is None else end #end的问题解决 mid_index = ( end - start )//2 + start #中间数下标问题的解决 ... 阅读全文