python -09-乘法口诀

# 使用循环嵌套打印九九乘法表


num=1               # num 控制列
while num <= 9:
    j = 1          # j 控制行
    while j <= num:
        print("%d*%d=%d" %(j,num,j*num), end = "\t")   
        j +=1
    print()
    num +=1