[programmers] 둘만의 암호

문제 링크

https://school.programmers.co.kr/learn/courses/30/lessons/155652

프로그래머스

 

 

풀이

def solution(s, skip, index):
    l = [a for a in 'abcdefghijklmnopqrstuvwxyz' if a not in skip]
    answer = ''.join([l[(l.index(a)+index)%len(l)] for a in s])
    return answer

다른 분들 코드

def solution(s, skip, index):
    alphas = [chr(a) for a in range(ord("a"), ord("z")+1) if chr(a) not in skip]
    return "".join([alphas[(alphas.index(a) + index) % len(alphas)] for a in s])