用循环输出倒置的九九乘法表
时间: 2024-06-13 21:07:46 浏览: 47
以下是用循环输出倒置的九九乘法表的代码:
```python
for i in range(9, 0, -1):
for j in range(i, 0, -1):
print(i, '*', j, '=', i*j, end='\t')
print()
```
这里我们只需要将第一种方法中的两个for循环的范围进行修改即可。首先外层循环从9到1倒序循环,内层循环从当前外层循环变量的值开始倒序循环到1,然后按照九九乘法表的格式输出即可。
相关问题
Python 输出倒置的九九乘法表
以下是 Python 代码实现:
```python
for i in range(9, 0, -1):
for j in range(i, 0, -1):
print("{} x {} = {:2} ".format(i, j, i*j), end="")
print()
```
输出结果为:
```
9 x 9 = 81 9 x 8 = 72 9 x 7 = 63 9 x 6 = 54 9 x 5 = 45 9 x 4 = 36 9 x 3 = 27 9 x 2 = 18 9 x 1 = 9
8 x 8 = 64 8 x 7 = 56 8 x 6 = 48 8 x 5 = 40 8 x 4 = 32 8 x 3 = 24 8 x 2 = 16 8 x 1 = 8
7 x 7 = 49 7 x 6 = 42 7 x 5 = 35 7 x 4 = 28 7 x 3 = 21 7 x 2 = 14 7 x 1 = 7
6 x 6 = 36 6 x 5 = 30 6 x 4 = 24 6 x 3 = 18 6 x 2 = 12 6 x 1 = 6
5 x 5 = 25 5 x 4 = 20 5 x 3 = 15 5 x 2 = 10 5 x 1 = 5
4 x 4 = 16 4 x 3 = 12 4 x 2 = 8 4 x 1 = 4
3 x 3 = 9 3 x 2 = 6 3 x 1 = 3
2 x 2 = 4 2 x 1 = 2
1 x 1 = 1
```
for语句倒置九九乘法表
以下是使用for语句倒置九九乘法表的Python代码:
```python
for i in range(9, 0, -1):
for j in range(i, 0, -1):
print('{}*{}={}'.format(j, i, i*j), end='\t')
print()
```
输出结果为:
```
9*9=81 8*9=72 7*9=63 6*9=54 5*9=45 4*9=36 3*9=27 2*9=18 1*9=9
8*8=64 7*8=56 6*8=48 5*8=40 4*8=32 3*8=24 2*8=16 1*8=8
7*7=49 6*7=42 5*7=35 4*7=28 3*7=21 2*7=14 1*7=7
6*6=36 5*6=30 4*6=24 3*6=18 2*6=12 1*6=6
5*5=25 4*5=20 3*5=15 2*5=10 1*5=5
4*4=16 3*4=12 2*4=8 1*4=4
3*3=9 2*3=6 1*3=3
2*2=4 1*2=2
1*1=1
```