班级成绩_python3
班级成绩输入输出
http://www.nowcoder.com/questionTerminal/60d96b08e1cb42e38629d54e37eac008
l = [list(map(float, input().split())) for _ in range(5)] for i in range(5): for j in range(5): print('{:.1f} '.format(l[i][j]), end='') print('{:.1f}'.format(sum(l[i])))