电梯模拟1

代码说明：

说明：  可以模拟电梯运行，仿真开始之前可手动输入乘梯人数、停留时间、电梯满载人数、每个人乘坐次数和电梯运行次数。(It can simulate the elevator operation. Before the simulation, it can manually input the number of people taking the elevator, the dwell time, the number of people fully loaded with the elevator, the number of people taking the elevator and the number of elevator operation.)