😎>코딩테스트 연습>2019 카카오 개발자 겨울 인턴십>튜플
def solution(s):
answer = []
s = s.replace("{", "")
s = s.replace("}}", "")
s = s.split("},")
k = []
for a in s:
k.append(list(map(int, a.split(","))))
k = sorted(k, key=lambda x: len(x))
for i in range(len(k)):
for j in range(i+1):
if k[i][j] not in answer:
answer.append(k[i][j])
#print(k)
return answer