from pickle import NONE # # 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: in_str=s out='' # write code here letter_list='abcdefghijklmnopqrstuvwxy...