[Programmers] 튜플 (Python)

📖  문제

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

코딩테스트 연습 - 튜플

 

💻  코드

from collections import defaultdict


def solution(s):
    d = defaultdict(int)
    
    for n in s.replace('{', '').replace('}', '').split(','):
        d[int(n)] += 1
        
    return [item[0] for item in sorted(d.items(), key=lambda x: x[1], reverse=True)]