Lesson 13

Question 1

Object Oriented Programming OOP

Answer 1

OOP is a programming concept developed in the 1960/ and broadly supported in major languages starting in the 1980s
Based on the idea of defining a customized software object that has properties and functionality

Question 2

Classes

Answer 2

A class is the description or definition of the attributes and methods that an object of that class has. We use the class keyword to begin a class

Question 3

__init__

Answer 3

Init is a function that initializes an object attributes.
It is automatically called when an instance is created
Its first argument is always self but it contains additional arguments

Question 4

Self

Answer 4

Is used to access an instance’s attributes or methods.
Without the use of self an attribute could be shared by all instances of a class

Question 5

Inheritance

Answer 5

Inheritance allows us to create classes (called child or derived classes) that inherit the attributes and methods from another class (called the parent or base)

Question 6

Polymorphism

Answer 6

The same method name is used in multiple classes. For example len()
- a childs method overrides the parents in the case of a name conflict. When using a method, the one that is called is the one that is defined within the instances class.

Question 7

Operator overloading

Answer 7

Operator overloading refers to overriding the behavior of standard operators, such as plus or minus.