题解 | #字符串加解密#

while True:
try:
string1 = input()
string2 = input()
str1 = ''
str2 = ''
for i in string1:
if i.isalpha():
i = i.swapcase()
if i == 'z':
i = 'a'
elif i == 'Z':
i = 'A'
else:
i = chr(ord(i)+1)
elif i.isalnum():
if i == '9':
i = '0'
else:
i = str(int(i)+1)
str1 += i
print(str1)
for i in string2:
if i.isalpha():
i = i.swapcase()
if i == 'a':
i = 'z'
elif i == 'A':
i = 'Z'
else:
i = chr(ord(i)-1)
elif i.isalnum():
if i == '0':
i = '9'
else:
i = str(int(i)-1)
str2 += i
print(str2)

except:
    break