题解 | #简单密码#

keys = ['1', 'abc', 'def', 'ghi', 'jkl', 'mno', 'pqrs', 'tuv', 'wxyz', '0']
values = list(range(1, 10)) + [0]

dic = dict(zip(keys, values)) 

str1 = input()

for i in str1:
    if i in ''.join(keys):
        for k, v in dic.items():
            if i in k:
                print(v, end='')
    elif ord(i) in range(ord('A'), ord('Z')):
        n = ord(i) + 33
        print(chr(n), end='')      
    elif i == 'Z':  # 题目中说了Z的后移是a, 下次遇到后移的题时，要想到最后一个后移的情况，需不需要移动的头部
        print('a', end='')
    else:
        print(i, end='')