[Programmers/Python] Lv2. 행렬의 곱셈

문제

프로그래머스

 

 

 

풀이

def solution(arr1, arr2):
    answer = [[0 for i in range(len(arr2[0]))] for j in range(len(arr1))]
    
    for i in range(len(arr1)):
        for j in range(len(arr2[0])):
            for k in range(len(arr1[0])):
                answer[i][j] += arr1[i][k]*arr2[k][j]
    return answer