Requests a runnable Python simulation that shows how CAN bus communication works within a single ECU.
create a a CAN simulation so when i run it i understand how CAN works in a single ECU unit create it in python
创建一个 CAN 仿真，当我运行它时，我能理解在单个 ECU 单元中 CAN 是如何工作的，用 Python 实现