Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
16 Cards in this Set
- Front
- Back
class X(Y)
|
Make a class named X that is-a Y.
|
|
class X(object): def __init__(self, J)
|
class X has-a __init__ that takes self and J parameters.
|
|
class X(object): def M(self, J)
|
class X has-a function named M that takes self and J parameters.
|
|
foo = X()
|
Set foo to an instance of class X.
|
|
foo.M(J)
|
From foo get the M function, and call it with parameters self, J.
|
|
foo.K = Q
|
From foo get the K attribute and set it to Q.
|
|
class
|
Tell Python to make a new type of thing.
|
|
object
|
Two meanings: the most basic type of thing, and any instance of some thing.
|
|
instance
|
What you get when you tell Python to create a class.
|
|
def
|
How you define a function inside a class.
|
|
self
|
Inside the functions in a class, self is a variable for the instance/object being accessed.
|
|
inheritance
|
The concept that one class can inherit traits from another class, much like you and your parents.
|
|
composition
|
The concept that a class can be composed of other classes as parts, much like how a car has wheels.
|
|
attribute
|
A property classes have that are from composition and are usually variables.
|
|
is-a
|
A phrase to say that something inherits from another, as in a "salmon" is-a "fish."
|
|
has-a
|
A phrase to say that something is composed of other things or has a trait, as in "a salmon has-a mouth."
|