题解 | #字符串变形#
字符串变形
https://www.nowcoder.com/practice/c3120c1c1bc44ad986259c0cf0f0b80e
class Solution: def trans(self , s: str, n: int) -> str: # write code here s_list = s.split(" ")[::-1] ans_list = [] for word in s_list: new = "" for ch in word: if ord("a") <= ord(ch) <= ord("z"): new = new + ch.upper() else: new = new + ch.lower() ans_list.append(new) return " ".join(ans_list)