1 x 1 = 1t1 x 2 = 2t1 x 3 = 3t1 x 4 = 4t1 x 5 = 5t1 x 6 = 6t1 x 7 = 7t1 x 8 = 8t1 x 9 = 9t2 x 2 = 4t2 x 3 = 6t2 x 4 = 8t2 x 5 = 10t2 x 6 = 12t2 x 7 = 14t2 x 8 = 16t2 x 9 = 18t3 x 3 = 9t3 x 4 = 12t3 x 5 = 15t3 x 6 = 18t3 x 7 = 21t3 x 8 = 24t3 x 9 = 27t4 x 4 = 16t4 x 5 = 20t4 x 6 = 24t4 x 7 = 28t4 x 8 = 32t4 x 9 = 36t5 x 5 = 25t5 x 6 = 30t5 x 7 = 35t5 x 8 = 40t5 x 9 = 45t6 x 6 = 36t6 x 7 = 42t6 x 8 = 48t6 x 9 = 54t7 x 7 = 49t7 x 8 = 56t7 x 9 = 63t8 x 8 = 64t8 x 9 = 72t9 x 9 = 81
Here's the 9x9 multiplication table.
Python九九乘法表的实现与优化
九九乘法表是数学学习中的基础知识,也是编程初学者常用的练习之一。在Python中,实现九九乘法表不仅能够帮助我们巩固循环和字符串操作的知识,还能提升代码编写的技巧。本文将详细介绍Python中实现九九乘法表的多种方法,并探讨如何优化代码以提高可读性和效率。
基础实现:双层for循环
最直观的九九乘法表实现方式是使用双层for循环。外层循环控制行,内层循环控制列。以下是一个简单的实现示例:
```python
for i in range(1, 10):
for j in range(1, i):
print(f\