Python Metaclasses, What's Actually Happening When You Write class

Every Python developer knows that everything is an object. What fewer know is that classes are objects too, and like every other object, they are instances of something. That something is a metaclass. Understanding metaclasses means understanding how Python builds classes in the first place, which turns out to explain a lot of behavior that otherwise looks like magic. Classes Are Instances of type Start here: class MyClass : pass print ( type ( MyClass )) # print ( type ( int )) # print ( type (