# # 代码中的类名、方法名、参数名已经指定,请勿修改,直接返回方法规定的值即可 # # # @param s string字符串 # @param n int整型 # @return string字符串 # class Solution: def trans(self , s: str, n: int) -> str: # write code here # 经过一遍遍历将字符串逆序,且字母大小写改变 # A 65 a 97 res = "" s_len = len(s) all_words = s.split(" ") words_len = ...