According to Python docs, the following are the built-In Class Attributes
Every Python class keeps following built-in attributes and they can be accessed using dot (.) operator like any other attribute:
classname• __dict__ : Dictionary containing the class's namespace.
classname• __doc__ : Class documentation string or None if undefined.
classname• __name__: Class name.
classname• __module__: Module name in which the class is defined.
– This attribute is "__main__" in interactive mode.
classname• __bases__ : A possibly empty tuple containing the base classes, in the order of their occurrence in the base class list.