摘要: def removeSpaces(s) : left, right = 0, len(s)- 1 #去除开头的空格 while left < right and s[left] == ' ' : left += 1 while left < right and s[right] == ' ' : r 阅读全文
posted @ 2023-08-27 16:56 大蟒蛇进动吐痰 阅读(25) 评论(0) 推荐(0)