Hi,I have a base class whose destructor is pure virtual, so the class is abstract.I have a derived class (subtype) whose multi-argument constructor wants to ...

Abstract methods are those that are declared abstract in the base class and cannot have implementations in them, i.e., they cannot have any functionality in them.

Overview Python's "abstract base class" system gives you a way to create types that serve as the abstract foundation for another, more concrete type. This example shows how an abstract base class ...