题解列表

筛选

矩阵对角线求和(Python代码)

建立二维数组,然后求对角线和```a=[[0]*3]*3foriinrange(3):a[i]=[int(j)forjininput().split()]sum1=sum2=0foriinrange(3):sum1+=a[i][i]foriinrange(3):sum2+=a[i][2-i]print

拆分位数-题解(Python代码)python

```pythonn=int(input())#输入并字符转为整型g=s=b=0#个位十位百位g=n%10#356%10=6s=n/10%10#356/10%10=35%10=5b=n/100#356/100=3print("%d%d%d"%(g,s,b))```