## L 

lambda , 17 LBYL , 17 $_{list}$, 17 $_{list comprehension}$, 17 loader , 17 

## M 

magic $_{method}$, 17 magic method , 17 mapping , 17 meta path finder , 18 metaclass , 18 $_{method}$, 18 magic , 17 special , 21 method resolution order , 18 module , 18 module spec , 18 MRO , 18 mutable , 18 

## N 

named tuple , 18 namespace , 18 namespace package , 18 nested scope , 18 new-style class , 19 

## O 

object , 19 

package , 19 $_{parameter}$, 19 $_{path based finder}$, 19 $_{path entry}$, 19 $_{path entry finder}$, 19 $_{path entry hook}$, 19 path-like object , 19 $_{PEP}$, 20 $_{portion}$, 20 positional argument , 20 $_{provisional API}$, 20 provisional package , 20 Python 3000 , 20 Python Enhancement Proposals PEP 1 , 20 PEP 238 , 15 PEP 278 , 22 PEP 302 , 15, 17 PEP 343 , 13 PEP 362 , 12, 19 PEP 411 , 20 PEP 420 , 15, 18, 20 PEP 443 , 15 PEP 451 , 15 

PEP 483 , 15 PEP 484 , 11, 15, 22 PEP 492 , 12, 13 PEP 498 , 14 PEP 519 , 20 PEP 525 , 12 PEP 526 , 11, 22 PEP 3116 , 22 PEP 3155 , 20 Pythonic , 20 

## Q 

qualified name , 20 

## R 

reference count , 21 regular package , 21 

## S 

sequence , 21 $_{set comprehension}$, 21 $_{single dispatch}$, 21 $_{slice}$, 21 special $_{method}$, 21 $_{special method}$, 21 statement , 21 

## T 

text encoding , 21 text file , 21 triple-quoted string , 21 $_{type}$, 21 type alias , 21 $_{type hint}$, 22 

## U 

universal newlines , 22 

## V 

variable annotation , 22 virtual environment , 22 virtual machine , 22 

## Z 

$_{Zen of Python}$, 22 

