[python] 프로그래머스 튜플

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

코딩테스트 연습 - 튜플

def solution(s):
    s = s.replace('{', '.').replace('}', '.')
    s = s.split('.')
    
    data = []
    for i in s:
        if i != '' and i != ',':
            data.append(list(map(int, i.split(','))))
    
    data.sort(key=lambda x:len(x))
    start = data[0]
    answer = data[0]
    for i in data[1:]:
        answer += list(set(i) - set(start))
        start = i
    return answer