PROGRAMMERS 64065: 튜플

Link : https://programmers.co.kr/learn/courses/30/lessons/64065

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Python

def solution(s):
    s = s.replace(',', ' ').replace('{', ' ').replace('}', ' ')
    result = list(map(int, s.split()))
    data = dict()
    for i in result:
        if i not in data:
            data[i] = 0
        data[i] += 1
    answer = list(data.items())
    answer.sort(key=lambda x: x[1], reverse=True)
    return [i[0] for i in answer]

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