Flashcards in Python Deck (31)
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\\
Single backslash
1
\'
Single quote
2
\"
Double quote
3
\a
ASCII bell (BEL)
4
\b
ASCII backspace (BS)
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\f
ASCII formfeed (FF)
6
\n
ASCII linefeed (LF)
7
\N{name}
Character named name in the Unicode database (Unicode only)
8
\r ASCII
Carriage return (CR)
9
\t ASCII
Horizontal tab (TAB)
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\uxxxx
Character with 16 bit hex value xxxx (Unicode only)
11
\Uxxxxxxxx
Character with 32 bit hex value xxxxxxxx (Unicode only)
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\v
ASCII vertical tab (VT)
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\ooo
Character with octal value ooo
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\xhh
Character with hex value hh
15
class
Tell python to make a new kind of thing
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object
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 accessed.
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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
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has-a
A phrase to say that something is composed of other things or has a trait
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classX(Y)
Make a class named X that is 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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