[프로그래머스] 실패율 def solution(N, stages): answer = {} fail = len(stages) for i in range(1, N+1): cnt = 0 if stages.count(i) > 0: cnt += stages.count(i) answer[i] = cnt/fail fail-=cnt else: answer[i] = 0 return sorted(answer, key=lambda x : answer[x], reverse=True) 알고리즘 2023.10.07