Learning To Speak Object Oriented: Word Drill

Front 1

class

Back 1

Tell Python to make a new kind of thing

Front 2

object

Back 2

Two meanings: the most basic kind of thing, and any instance of some thing.

Front 3

instance

Back 3

What you get when you tell Python to create a class

Front 4

def

Back 4

How you define a function inside a class

Front 5

self

Back 5

Inside the functions in a class, self is a variable for the instance/object being accessed.

Front 6

inheritance

Back 6

The concept that one class can inherit traits from another class, much like you and your parents.

Front 7

composition

Back 7

The concept that a class can be composed of other classes as parts, much like how a car has wheels.

Front 8

attribute

Back 8

A property classes have that are from composition and are usually variables.

Front 9

is-a

Back 9

A phrase to say that something inherits from another, as in a "salmon" is-a "fish."

Front 10

has-a

Back 10

A phrase to say that something is composed of other things or has a trait, as in "a salmon has-a mouth."