中文说明：本程序模拟一个机器人躲避障碍的仿真.其中有不完善的地方迫于精力有限，具体过程还有点粗糙，读者可以加以修正
English Description：
This program simulates the simulation of a robot avoiding obstacles. There are some imperfections due to limited energy, and the specific process is a little rough, which can be corrected by readers