The flashcards below were created by user
kllewis
on FreezingBlue Flashcards.
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class
tell python to make a new kind of thing
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object
two meanings: the most basic kind of thing, and any instance of some thing
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instance
what you get when you tell python to create a class
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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 assessed
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inheritance
the concept that one class can inherit traits from another class
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composition
the concept that a class can be composed of other classes as parts
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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 (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 (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, then 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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