[CryptoHack] 가입 문제

🚩 카이사르 암호

cipher = 'IJATYJ UFQFHJ GZXNSJXX XNLMY'
alpha = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
numcipher = []

for char in cipher:
    if char != ' ':
        numcipher.append(alpha.index(char))
    else:
        numcipher.append(' ')

for i in range(len(alpha)):
    for j in range(len(cipher)):
        if numcipher[j] != ' ':
            print(alpha[(numcipher[j] - i) % 26], end='')
        else:
            print(' ', end='')
    print('')

공백 문자 처리를 잘 해야한다.