题解 | #矩阵乘法#

x = int(input())
y = int(input())
z = int(input())

A = []  # x行y列
B = []  # y行z列 
C = [[0 for j in range(z)]for i in range(x)]    # x行z列

# 输入A矩阵
for i in range(x):
    A.append(list(map(int,input().split())))
# 输入B矩阵
for j in range(y):
    B.append(list(map(int,input().split())))

# 计算C矩阵
for i in range(x):
    for k in range(z):
        sum = 0
        for j in range(y):
            sum += A[i][j] * B[j][k]
            C[i][k] = sum
for i in C:
    for j in i:
        print(j,end=' ')
    print()