[Programmers] - 행렬의 덧셈 (Level 1)

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연습문제
LEVEL : 1
문제링크

arr1 = [[1,2],[2,3]]
arr2 = [[3,4],[5,6]]

def solution(arr1, arr2):

    answer = []
    for i in range(len(arr1)):
        tmp = []
        for j in range(len(arr1[i])):
            tmp.append(arr1[i][j] + arr2[i][j])
        answer.append(tmp)
    return answer

solution(arr1,arr2)

[[4, 6], [7, 9]]