[Level 1] / [Python] 시저 암호

https://school.programmers.co.kr/learn/courses/30/lessons/12926

프로그래머스

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def solution(s, n):
    answer = ''
    for i in s:
        if i == ' ':
            answer += ' '

        elif ord(i) >= 97 and ord(i) < 123:

            a = ord(i) + n

            if a > 122:
                a = a - 26
            
            answer += chr(a)

        elif ord(i) >= 65 and ord(i) < 91 :

            a = ord(i) + n

            if a > 90:
                a = a - 26

            answer += chr(a)
            
    return answer