def solution(numbers):
answer = []
for i in range(len(numbers)):
for n in range(1, len(numbers)):
a = numbers[i] + numbers[i + n]
n += 1
answer.append(a)
answer = set(answer)
answer = list(answer)
answer.sort()
return answer
IndexError: list index out of range
: 왜..실패한거지..? 왜 오류 뜬거지..?ㅠㅠ