题解 | #矩阵乘法#

while True:
    try:
        x = int(input())
        y = int(input())
        z = int(input())
        #m1 = [[0]*x]*y
        m1 = []
        m2 = []
        res = [[0]*z for i in range(x)]
        for i in range(x):
            m1.append(list(map(int,input().split())))#list的append是加为不同的list，+表示合并为一个list
        for i in range(y):
            m2.append(list(map(int,input().split())))
        #print(m2)
        for i in range(x):
            for j in range(y):
                for e in range(z):
                    res[i][e] += m1[i][j] * m2[j][e] #注意是+=不然没有累加算出的只是最后一次计算的结果
        for i in res:
            print(' '.join(map(str,i)))
        #print(res)
    except:
        break