题解 | #字符串加解密#

s1 = input()
s2 = input()
s3 = ''
s4 = ''
# 加密过程
for i in s1:
    if i.isdigit(): # 对数字进行加密
        s3 += str((int(i)+1)%10)
    elif i.isalpha(): # 对字母进行加密
        if i>='a' and i<='z':
            s3 += chr(ord('a') + (ord(i)+1-ord('a'))%26).upper()
        elif i>='A' and i<='Z':
            s3 += chr(ord('A') + (ord(i)+1-ord('A'))%26).lower()
print(s3)
# 解密过程
for i in s2:
    if i.isdigit(): # 对数字进行解密
        s4 += str((int(i)-1+10)%10)
    elif i.isalpha(): # 对字母进行解密
        if i>='a' and i<='z':
            s4 += chr(ord('a') + (ord(i)-1-ord('a')+26)%26).upper()
        elif i>='A' and i<='Z':
            s4 += chr(ord('A') + (ord(i)-1-ord('A')+26)%26).lower()
print(s4)