Category objects

The “TypeError: missing 1 required positional argument: ‘self’” is raised when we try to call a method, included in the class definition, on the class instead of an instance of a class. Before seeing the details, let’s reproduce this error:…

In Python, Object-Oriented Programming (OOP) is based on classes that are used to create new objects easily. This is where we will define the methods and attributes linked to an object. If we create a new class, called Human(), where…