2020-04
15
字符偏移加密
本来我根本没考虑字母以外的那些怎么办,测试过参考答案以后,发现原来字母以外的东西原始输出,于是我也这般弄了,等于再加一个是否字母的判断,折腾。不告诉人家怎么把字符合并成字符串,我就只好准备两个对象二人转连接。
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 | def rotate_word(something, n): # a-z: 97-122, A-Z: 65-90 newletter1 = '' for letter in something: if ord(letter) < ord('A') or ord('Z') < ord(letter) < ord('a') or ord('z') < ord(letter): newletter2 = newletter1 + letter else: if ord(letter) + n > ord('z'): newletter2 = newletter1 + chr(ord(letter) + n - 26) elif ord('a') > ord(letter) + n > ord('Z'): newletter2 = newletter1 + chr(ord(letter) + n - 26) else: newletter2 = newletter1 + chr(ord(letter) + n) newletter1 = newletter2 return newletter2 something = input('please write something: ') n = int(input('how many shifts do you want: ')) print('before:', something) print('after :', rotate_word(something, n)) # please write something: IBM # how many shifts do you want: -1 # before: IBM # after : HAL # please write something: g858^h{O # how many shifts do you want: 6 # before: g858^h{O # after : m858^n{U |
还没有评论