#문제:https://school.programmers.co.kr/learn/courses/30/lessons/12926 def solution(s, n): answer = [] tmp = '' letter_upper = list("ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZ") letter_lower = list("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz") for i in s: for k in range(0,26): if i == letter_upper[k]: tmp = str(letter_upper[k+n]) answer.append(tmp) elif i == letter_lower[k]: tmp..