Level.1 연습문제 > 시저 암호

def solution(s, n):
    answer = ''
    
    for i in s:
        if i == ' ':
            answer += i;
            continue;
        elif ord(i) >= 97 and ord(i) <= 122:
            if ord(i) + n > 122:
                answer += chr(((ord(i) + n) % 123) + 97);
            else:
                answer += chr(ord(i) + n);
        else:
            if ord(i) + n > 90:
                answer += chr(((ord(i) + n) % 91) + 65);
            else:
                answer += chr(ord(i) + n);
 
    return answer;