Python 3 - Second Edition

19.4    Multiple Inheritance

Up to this point, the examples have always let a subclass inherit from exactly one base class. However, there are situations in which a class should inherit the capabilities of two or even more base classes to achieve the desired result. This concept, in which a class inherits from multiple base classes, is referred to as multiple inheritance.

If you want a class to inherit from multiple base classes, you can write the base classes separated by commas in the parentheses after the class name:

class NewClass(BaseClass1, BaseClass2, BaseClass3):    # Definition of methods and attributes    pass  

In this example, the NewClass class inherits from three classes: BaseClass1, BaseClass2, and BaseClass3.

Multiple inheritance is ...