[파이썬🐍] 프로그래머스 : 행렬의 곱셈

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