Python
Classes and Objects
A class describes a kind of thing; an object is one of them. Python builds every object the same way, and understanding that removes most of the myste...
OOP
Classes and objects, attributes and methods, self and __init__, the four principles, inheritance, super() and the dunder methods.
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Notes
Python
self, Methods and Instance State
self is the object the method was called on. Python passes it automatically, and every confusing method error traces back to that one mechanism.
Python
The Four Principles of OOP in Python
Encapsulation, abstraction, inheritance and polymorphism - what each one means in Python specifically, where Python differs from Java or C++, and when...
Python
Inheritance and super()
A subclass gets everything the parent has and can replace any of it. super() calls the parent version, and it is how initialisation chains work.
Python
Special Methods: Making Objects Behave Like Built-ins
Dunder methods let your class work with print, len, +, ==, in, iteration and with. They are how Python asks an object to participate in ordinary synta...