第三章 7-12 字符串替换

raw = list('ABCDEFGHIJKLMNOPQRSTUVWXYZ')
rever_raw = list(reversed(raw))
dic = dict(zip(raw,rever_raw))
s = input()
new=[]
for i in s:
    if i in raw:
        i = dic.get(i)
    else:
        i=i
    new.append(i)
print(''.join(new))