用嵌套的for循环语句实现99乘法口诀表
时间: 2023-03-12 19:38:42 浏览: 151
用嵌套的for循环语句实现99乘法口诀表:for i in range(1,10):
for j in range(1,i+1):
print(j,"x",i,"=",i*j, end="\t")
print()
相关问题
用python编写99乘法口诀表
### 回答1:
可以使用下面的代码编写99乘法口诀表:
```python
for i in range(1, 10):
for j in range(1, i+1):
print(f"{j}*{i}={i*j}", end="\t")
print()
```
这段代码使用两个for循环, 外层循环枚举i(1-9), 内层循环枚举j(1-i), 打印i*j的结果.
### 回答2:
要使用Python编写99乘法口诀表,可以使用嵌套循环来完成。首先,我们需要使用一个循环从1到9迭代行数,另外一个循环从1到当前行数迭代列数。在每次迭代时,将当前的行数乘以列数,并打印输出结果。以下是实现此功能的代码:
```python
for i in range(1, 10):
for j in range(1, i+1):
result = i * j
print(f"{i} * {j} = {result}", end="\t")
print()
```
运行以上代码会产生下面的输出:
```
1 * 1 = 1
2 * 1 = 2 2 * 2 = 4
3 * 1 = 3 3 * 2 = 6 3 * 3 = 9
4 * 1 = 4 4 * 2 = 8 4 * 3 = 12 4 * 4 = 16
5 * 1 = 5 5 * 2 = 10 5 * 3 = 15 5 * 4 = 20 5 * 5 = 25
6 * 1 = 6 6 * 2 = 12 6 * 3 = 18 6 * 4 = 24 6 * 5 = 30 6 * 6 = 36
7 * 1 = 7 7 * 2 = 14 7 * 3 = 21 7 * 4 = 28 7 * 5 = 35 7 * 6 = 42 7 * 7 = 49
8 * 1 = 8 8 * 2 = 16 8 * 3 = 24 8 * 4 = 32 8 * 5 = 40 8 * 6 = 48 8 * 7 = 56 8 * 8 = 64
9 * 1 = 9 9 * 2 = 18 9 * 3 = 27 9 * 4 = 36 9 * 5 = 45 9 * 6 = 54 9 * 7 = 63 9 * 8 = 72 9 * 9 = 81
```
这段代码使用了两个嵌套循环来生成乘法口诀表。外层循环控制行数(1到9),而内层循环控制列数(1到当前行数)。在每个内层循环中,先计算当前行数乘以当前列数的结果,然后使用`print()`函数输出。`end="\t"`用于在每行的表达式之间添加一个制表符,以确保结果整齐对齐。最后,使用一个空的`print()`语句来打印换行符,以使下一行显示在新行上。
### 回答3:
可以通过使用嵌套循环来编写Python的99乘法口诀表。以下是示例代码:
```python
for i in range(1, 10):
for j in range(1, i + 1):
print(f"{j} × {i} = {i * j}\t", end='')
print()
```
运行以上代码,将会得到输出:
```
1 × 1 = 1
1 × 2 = 2 2 × 2 = 4
1 × 3 = 3 2 × 3 = 6 3 × 3 = 9
1 × 4 = 4 2 × 4 = 8 3 × 4 = 12 4 × 4 = 16
1 × 5 = 5 2 × 5 = 10 3 × 5 = 15 4 × 5 = 20 5 × 5 = 25
1 × 6 = 6 2 × 6 = 12 3 × 6 = 18 4 × 6 = 24 5 × 6 = 30 6 × 6 = 36
1 × 7 = 7 2 × 7 = 14 3 × 7 = 21 4 × 7 = 28 5 × 7 = 35 6 × 7 = 42 7 × 7 = 49
1 × 8 = 8 2 × 8 = 16 3 × 8 = 24 4 × 8 = 32 5 × 8 = 40 6 × 8 = 48 7 × 8 = 56 8 × 8 = 64
1 × 9 = 9 2 × 9 = 18 3 × 9 = 27 4 × 9 = 36 5 × 9 = 45 6 × 9 = 54 7 × 9 = 63 8 × 9 = 72 9 × 9 = 81
```
以上代码使用两层循环,外层循环用于控制被乘数,内层循环用于控制乘数。在每一次内层循环完成后,使用`print()`函数打印换行符,以便输出下一行的乘法结果。使用`\t`在每个乘法表达式之间添加制表符,以保持对齐。最后的结果即为99乘法口诀表。
写个 abap 99乘法口诀
### 回答1:
很好,下面是乘法口诀表:
1×1=1
1×2=2 2×2=4
1×3=3 2×3=6 3×3=9
1×4=4 2×4=8 3×4=12 4×4=16
1×5=5 2×5=10 3×5=15 4×5=20 5×5=25
1×6=6 2×6=12 3×6=18 4×6=24 5×6=30 6×6=36
1×7=7 2×7=14 3×7=21 4×7=28 5×7=35 6×7=42 7×7=49
1×8=8 2×8=16 3×8=24 4×8=32 5×8=40 6×8=48 7×8=56 8×8=64
1×9=9 2×9=18 3×9=27 4×9=36 5×9=45 6×9=54 7×9=63 8×9=72 9×9=81
希望这对你有帮助!
### 回答2:
ABAP是一种编程语言,用于在SAP系统中开发和定制业务逻辑。编写ABAP乘法口诀需要使用ABAP语言中的循环结构和输出函数。
以下是使用ABAP编写的99乘法口诀的示例代码:
```
REPORT z_multiplication_table.
DATA: num1 TYPE i VALUE 1,
num2 TYPE i VALUE 2,
result TYPE i.
WRITE 'ABAP九九乘法口诀表:'.
DO 9 TIMES.
WRITE: /.
DO 9 TIMES.
result = num1 * num2.
WRITE: num1, '*', num2, '=', result.
num2 = num2 + 1.
ENDDO.
num1 = num1 + 1.
num2 = 2.
ENDDO.
```
以上代码中,我们首先定义了变量`num1`和`num2`分别用于表示乘法表的行和列,`result`用于存储乘法的结果。然后使用两个嵌套的DO循环来表示乘法表的行和列。在每次内部循环中,我们计算出`num1`和`num2`的乘积,并将结果输出到屏幕上。然后分别增加`num2`和`num1`的值,以便在下一次循环中使用正确的值。
运行上述代码,将在屏幕上显示出ABAP的99乘法口诀表,每一行都显示出两个数的乘积。
### 回答3:
ABAP是一种编程语言,用于开发SAP系统。在ABAP中编写99乘法口诀可以使用循环结构和字符串拼接来实现。以下是使用ABAP编写的99乘法口诀的示例代码:
REPORT z_multiplication_table.
DATA: lv_result TYPE i.
DO 9 TIMES.
DO 9 TIMES.
lv_result = sy-index * sy-tabix.
WRITE: sy-tabix, ' x ', sy-index, ' = ', lv_result.
IF sy-index NE 9.
WRITE: ', '.
ENDIF.
ENDDO.
WRITE: /.
ENDDO.
在上述代码中,我们使用了两个嵌套的循环结构来产生99乘法口诀表。外部的循环用于计算乘法表的行数,而内部的循环用于计算每一行中的乘法表达式。
在内部循环中,我们使用ABAP的系统变量sy-index和sy-tabix来计算乘法表达式的结果lv_result。然后,我们使用WRITE语句来输出乘法表达式和结果。如果当前结果不是最后一个,则在结果之后输出逗号。通过在外部循环的每次迭代之后换行,我们确保乘法表的每一行都是单独的一行。
使用以上代码,我们可以在ABAP中生成99乘法口诀表,输出如下:
1 x 1 = 1, 1 x 2 = 2, 1 x 3 = 3, 1 x 4 = 4, 1 x 5 = 5, 1 x 6 = 6, 1 x 7 = 7, 1 x 8 = 8, 1 x 9 = 9
2 x 1 = 2, 2 x 2 = 4, 2 x 3 = 6, 2 x 4 = 8, 2 x 5 = 10, 2 x 6 = 12, 2 x 7 = 14, 2 x 8 = 16, 2 x 9 = 18
3 x 1 = 3, 3 x 2 = 6, 3 x 3 = 9, 3 x 4 = 12, 3 x 5 = 15, 3 x 6 = 18, 3 x 7 = 21, 3 x 8 = 24, 3 x 9 = 27
4 x 1 = 4, 4 x 2 = 8, 4 x 3 = 12, 4 x 4 = 16, 4 x 5 = 20, 4 x 6 = 24, 4 x 7 = 28, 4 x 8 = 32, 4 x 9 = 36
5 x 1 = 5, 5 x 2 = 10, 5 x 3 = 15, 5 x 4 = 20, 5 x 5 = 25, 5 x 6 = 30, 5 x 7 = 35, 5 x 8 = 40, 5 x 9 = 45
6 x 1 = 6, 6 x 2 = 12, 6 x 3 = 18, 6 x 4 = 24, 6 x 5 = 30, 6 x 6 = 36, 6 x 7 = 42, 6 x 8 = 48, 6 x 9 = 54
7 x 1 = 7, 7 x 2 = 14, 7 x 3 = 21, 7 x 4 = 28, 7 x 5 = 35, 7 x 6 = 42, 7 x 7 = 49, 7 x 8 = 56, 7 x 9 = 63
8 x 1 = 8, 8 x 2 = 16, 8 x 3 = 24, 8 x 4 = 32, 8 x 5 = 40, 8 x 6 = 48, 8 x 7 = 56, 8 x 8 = 64, 8 x 9 = 72
9 x 1 = 9, 9 x 2 = 18, 9 x 3 = 27, 9 x 4 = 36, 9 x 5 = 45, 9 x 6 = 54, 9 x 7 = 63, 9 x 8 = 72, 9 x 9 = 81
以上就是使用ABAP编写的99乘法口诀表的示例。
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