문제 : https://school.programmers.co.kr/learn/courses/30/lessons/68644
def solution(numbers):
temp = []
answer = []
for i in range(len(numbers)):
for j in range(i+1,len(numbers)):
temp.append(numbers[i]+numbers[j])
#중복제거
for num in temp:
if num not in answer:
answer.append(num)
print(answer)
return sorted(answer)
answer = set(answer)
return list(answer)
# set이 hash를 사용해서 안된다나 뭐라나...
return sorted(list(set(answer)))
나도 반복문 세번 쓰기 싫었다구..