题解 | 凯撒加密
凯撒加密
https://www.nowcoder.com/practice/006b7917d3784371a43cfbae01a9313d
import sys
n = int(input())
s = input()
# print(s)
#ord()获取字符ASCII
#chr()将ASCII转换为字符
# print(ord("a")) 97
# print(ord("z")) 122
for i in range(len(s)):
#防止超出26个小写英文字母
print(chr((n+ord(s[i])-97)%26+97),end='')