题解 | #字符串加解密#

digi = {}
zimu = {}

k = ['0','1','2','3','4','5','6','7','8','9']
v = ['1','2','3','4','5','6','7','8','9','0']
digi = dict(zip(k,v))
# print(digi)

k = list('abcdefghijklmnopqrstuvwxyz')
v = list('BCDEFGHIJKLMNOPQRSTUVWXYZA')
zimu = dict(zip(k,v))
# print(zimu)

def jiemi(x, dic):
    for k, v in dic.items():
        if x == v:
            return k
        
str1 = input()
str2 = input()

for i in str1:
    if i.isdigit():
        print(digi[i],end='')
    elif 'a'<= i <='z':
        print(zimu[i],end='')
    else:
        print(zimu[i.lower()].lower(),end='')

print()
for i in str2:
    if i.isdigit():
        print(jiemi(i,digi),end='')
    elif 'a'<= i <= 'z':
        print(jiemi(i.upper(),zimu).upper(),end='')
    else:
        print(jiemi(i.upper(),zimu),end='')