说明：  一个简单的模拟操作系统为进行资源调度而预测进程执行的安全序列的算法。该程序注释详细，诙谐直观，可以加强初学者对算法的理解。
(A simple algorithm that simulates the security sequence of the process executed by the operating system for resource scheduling. The program notes detailed, humorous intuitive, can enhance the understanding of beginners on the algorithm.)