It's Children's programming homework !!!
A super simple random number library, providing an easy-to-use random number generation function.
This is an assignment for children to learn programming and is not recommended for use in production environments.
一个超级简单的随机数库，提供简单易用的随机数生成功能。
是 孩子学编程的作业，不建议用于生产环境。