정렬_심화25) 실패율 _ python

문제링크

https://school.programmers.co.kr/learn/courses/30/lessons/42889

프로그래머스

코드

def solution(N, stages):
    stages.sort()
    result = {}
    for i in range(N):
        result[i+1] = 0

    for i in stages:
        try:
            result[i] += 1
        except:
            break

    downNum = len(stages)
    print(result)
    for i in range(N):
        nextNum = result[i+1]
        if downNum > 0:
            result[i+1] = result[i+1] / downNum
            downNum -= nextNum
        else:
            break
    print(result)
    resultList = sorted(result.items(), key=lambda x:x[1], reverse=True)
    answer = []
    
    for L in resultList:
        answer.append(L[0])
    
    return answer