July 24, 2021
def solution(s, n): answer = list(s) for i in range(len(s)): if s[i].isupper(): answer[i] = chr((ord(s[i]) + n - ord('A')) % 26 + ord('A')) elif s[i].islower(): answer[i] = chr((ord(s[i]) + n - ord('a')) % 26 + ord('a')) return ''.join(answer)
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