I appreciate you subscribing to someone who posts videos with little or no value 😂

@@Indently you love Python and you have nice voice, I guess good enough to stay subscribed 🙂 keep it up man, no hate here

It is pycharm with beta UI

No. It is both, mb is a Vehicle of 'type' Motorbike.

@@naturfagstoff MaxCa is right. It is no longer a Vehicle. Please see my other comment for details.

It's strange that my comment didn't show up. I will just copy it and rephrase it here. 1. The example here loses the point that the Motorcycle and Car should inherit from the Vehicle class. I know that Indently is trying to show the power of __new__() but I think it is worth pointing out that if someone wrote code this way, the code better be refactored. 2. A function/method should only do what its name says, nothing more. The __new__() method is responsible for creating the instance. However, by returning `Motorcycle()` directly. It implicitly called the Motorcycle's __init__() method. I refactored the code a little bit. class Vehicle: def __new__(cls, wheels): if wheels == 4: return super(Vehicle, cls).__new__(Car) elif wheels == 2: return super(Vehicle, cls).__new__(Motorcycle) else: pass def __init__(self, wheels): self.wheels = wheels class Car(Vehicle): def __new__(cls, *args, **kwargs): print("Creating Car") return super(Car, cls).__new__(cls) def __init__(self, wheels): print("Initializing Car with 4 wheels") super(Car, self).__init__(wheels) class Motorcycle(Vehicle): def __new__(cls, *args, **kwargs): print("Creating Motorcycle") return super(Motorcycle, cls).__new__(cls) def __init__(self, wheels): print("Initializing Motorcycle with 2 wheels") super(Motorcycle, self).__init__(wheels)

I completely forgot to inherit from Vehicle, you're right!

Apologize for my kneejerk reaction there, @maxca. You are completely right. @hollyandprosper explains it in detail. Even if the Vechilcle class is called upon, and thus should be creating an object of type Vehicle, it does not do that, but instead creates Motorbike if 2 vheels, and a Car if 4 vheels. Strangely enough, the Vechicle class only creates an instance of it's own type as an exception, that is if the number of wheels is NOT 2 or 4. And as @Indently admints, he completely forgot to inherit from Vehicle when defining those two other classes, Motorbike and Car. I was too quick there,and maybe made the same mistake as @Indently, in assuming the code followed usual design principles for classes and objects, but the code actually does not do that. So excellent and very important point.

That's what the video was, as he stated in the first 15 seconds

new is performed before the instance of the object is created, whereas init runs after the object is already created. This means you can use the __new__ method to do things like set conditions and rules for the creation of an instance. e.g., you can do value error handling etc. before actually creating instance, whereas with init any error handling breaks etc. may stop certain attributes of the class from being set and whatnot but the instance will still be created.

If that's what you think, looks like mCoding copied it from the same website that I got the examples from 😂

@@Indently The thing is mCoding writes it own examples

So do I, but I'm not hiding that I take inspiration from examples that are shown on python.org, or other websites. The original example for the vehicle was actually inspired by an example that was meant for an Animal class, where instead of wheels, they used legs.

Not at all, mCoding is an incredibly talented programmer and teacher. I make videos because I love Python :)