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15 Cards in this Set
- Front
- Back
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class |
Tell Python to make a new kind of thing |
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object |
Two meanings: 1. the most basic kind of thing 2. any instance of some thing |
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def |
How you define a function inside a class |
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self |
Inside the functions in a class, self is a variable for the instance/object being accessed |
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inheritance |
The concept that one class can inherit traits from another class, much like you and your parents |
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composition |
The concept that a class can be composed of other classes as parts, much like how a car has wheels |
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attribute |
A property classes have that are from composition and are usually variables |
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is-a |
A phrase to say that something inherits from another, as in a "salmon" is-a "fish" |
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has-a |
A phrase to say that something is composed of other things or has a trait, as in "a salmon has-a mouth" |
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class X(Y) |
Make a class named X that is-a Y |
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class X(object): def_init_(self,J) |
class X has-a _init_ that takes self and J parameters |
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class X(object): def M(self,J) |
class X has-a function named M that takes self and J parameters |
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foo = X() |
set foo to an instance of class X |
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foo.M(J) |
from foo get the M function, and call it with parameters self, J |
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foo.K = Q |
from foo get the K attribute, and set it to Q
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