我完全理解在这个例子中传递的是什么self.我对它如何被传递到self内部非常困惑.有人可以帮我理解吗？
class Cars:
def __init__(self, model, engine, doors):
self.model = model
self.engine = engine
self.doors = doors
tesla = Cars('Model S', 'Electric', 'Four door')
ford = Cars('Mustang', 'v8', 'Two door')