how to write a function for increase or decrease velocity of a vehicle or stop it before or after an event?

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I want to write a code for car moving in the street and I want to write a properties for car which I named it state but I don't understand how can I do it...

asked 1 min ago

Hussein Zolfaghari

1

how to write a function for increase or decrease velocity of a vehicle or stop it before or after an event?