Class inheritance
We already discussed how instances and classes are created. We also discussed how attributes are accessed in a class. Let's dive deeper into how this works for multiple base classes. As type is searched for the presence of an attribute for an instance, if the type inherits from a number of classes, they all are searched as well. There is a defined pattern to this (Method Resolution Order (MRO)). This order plays an important role in determining the method in cases of multiple inheritance and diamond-shaped inheritance.
Method resolution order
Key 4: Understanding MRO.
The methods are searched in the base classes of a class in predefined manner. This sequence or order is known as method resolution order. In Python 3, when an attribute is not found in a class, it is searched in all the base classes of that class. If the attribute is still not found, the base classes of the base classes are searched. This process goes on until we exhaust all base classes. This is similar...
