프로그래머스 / 두 개 뽑아서 더하기 / 파이썬

https://programmers.co.kr/learn/courses/30/lessons/68644

from itertools import combinations
def solution(numbers):
    answer = []
    num_comb = list(combinations(numbers,2))
    for nc in num_comb:
        answer.append(sum(nc))
    ans = list(set(answer))
    ans.sort()
    return ans