[프로그래머스] 튜플

문제 링크

def preprocess(s):
    return sorted([set(map(int, subset.split(','))) for subset in s.strip('{}').split('},{')],key = lambda x: len(x))
            
def solution(s):
    answer = []
    lst = preprocess(s)
    answer.append(list(lst[0])[0])
    for i in range(1,len(lst)):
        answer.append(list(lst[i]-lst[i-1])[0])
    return answer