문제보기
n,m = map(int,input().split()) a = [list(map(int,input().split())) for _ in range(n)] b = [list(map(int,input().split())) for _ in range(n)] for i in range(n): for j in range(m): a[i][j] += b[i][j] for i in a: print(*i)
참고자료 : 2차원 행렬 입력받는 법)