思路：
三层循环实现矩阵相乘。
import sys a=[] for line in sys.stdin: a.append(list(map(int,line.strip().split()))) #print(a) matrix1=a[3:3+a[0][0]] matrix2=a[3+a[0][0]:] nw=[[0 for i in range(a[2][0])]for i in range(a[0][0])] for m in range(a[0][0]): for n in range(a[2][0]): for c in range(a[1][0]): #print(m,n,c) nw[m][n]=matrix1[m][c]*matrix2[c][n]+nw[m][n] for i in nw: print(" ".join(list(map(str,i))))标签：matrix1,矩阵,range,print,乘法,matrix2,HJ69,nw From： https://www.cnblogs.com/tanyuanqing/p/17278456.html