题解 | #字符串加解密#

def str_encode(x): #加密函数
    if x.isdigit(): #若为数字+1取余
        return str((int(x)+1)%10)
    elif x.isupper(): #若为大写字母利用ord，chr转换，单独处理Z
        if x == 'Z':
            return 'a'
        else:
            return chr(ord(x)+1).lower()
    elif x.islower(): #小写同大写处理方式
        if x == 'z':
            return 'A'
        else:
            return chr(ord(x)+1).upper()
def str_decode(x): #解码函数
    if x.isdigit():
        return str((int(x)+9)%10)
    elif x.isupper():
        if x == 'A':
            return 'z'
        else:
            return chr(ord(x)-1).lower()
    elif x.islower():
        if x == 'a':
            return 'Z'
        else:
            return chr(ord(x)-1).upper()
while True:
    try:
        a = input()
        b = input()
        a2 = ''
        b2 = ''
        for i in list(a):
            a2 = a2 + str_encode(i)
        for j in list(b):
            b2 = b2 + str_decode(j)
        print(a2)
        print(b2)
    except:
        break