Index edit

Ackerman function, 6.11


  • AttributeError, 15.7, A.2.3


  • Austin, Jane, 13.3


  • abecedarian, 8.3, 9.2


  • abs function, 6.1


  • absolute path, 14.4, 14.11


  • access, 10.2


  • accumulator, 10.14


histogram, 13.3


  • list, 10.7


  • string, 18.5


  • sum, 10.7



  • add method, 17.7


  • addition with carrying, 7.6


  • algorithm, 1.2, 1.7, 7.6, 13.7


Euclid, 6.11


  • MD5, 14.12


  • RSA, 11.7


  • square root, 7.9



  • aliasing, 10.10, 10.11, 10.14, 15.2, 15.6, 17.12


copying to avoid, 10.13



  • alphabet, 4.12


  • alternative execution, 5.5


  • ambiguity, 1.4


  • anagram, 10.15


  • anagram set, 12.11, 14.7


  • and operator, 5.3


  • anydbm module, 14.6


  • append method, 10.6, 10.12, 10.15, 18.4, 18.6


  • arc function, 4.3


  • argument, 3.1, 3.5, 3.8, 3.8, 3.14, 10.12


gather, 12.4


  • keyword, 4.5, 4.11, 12.7, 19.2


  • list, 10.12


  • optional, 8.8, 10.9, 11.3


  • variable-length tuple, 12.4



  • argument scatter, 12.4


  • arithmetic operator, 2.5


  • assert statement, 16.5


  • assignment, 2.11, 7.1, 10.1


item, 8.5, 10.2, 12.1


  • multiple, 7.8, 11.6


  • tuple, 12.2, 12.3, 12.5, 12.10



  • assignment statement, 2.2


  • attribute

__dict__, 17.10


  • class, 18.2, 18.10


  • initializing, 17.10


  • instance, 15.2, 15.8, 18.2, 18.10



  • available colors, 15.9, 17.12




  • Bacon, Kevin, 14.12


  • Bangladesh, national flag, 15.9


  • Button widget, 19.2


  • base case, 5.9, 5.13


  • benchmarking, 13.9, 13.11


  • big, hairy expression, A.3.2


  • binding, 19.8, 19.10


  • bingo, 12.11


  • birthday, 16.7


  • birthday paradox, 10.15


  • bisect module, 10.15


  • bisection search, 10.15


  • bisection, debugging by, 7.7


  • bitwise operator, 2.5


  • body, 3.5, 3.14, 5.13, 7.3


  • bool type, 5.2


  • boolean expression, 5.2, 5.13


  • boolean function, 6.4, 16.1


  • boolean operator, 8.9


  • borrowing, subtraction with, 7.6, 16.4


  • bound method, 19.6, 19.10


  • bounding box, 15.9, 19.4, 19.10


  • bracket

squiggly, 11



  • bracket operator, 8.1, 10.2, 12.1


  • branch, 5.5, 5.13


  • break statement, 7.4


  • bug, 1.3, 1.3, 1.7


worst, 17.12


  • worst ever, 19.11





  • Callable object, 19.7


  • Canvas coordinate, 19.3, 19.8


  • Canvas item, 19.3


  • Canvas object, 15.9


  • Canvas widget, 19.3


  • Car Talk, 9.7, 9.7, 9.7, 11.10, 12.11


  • Card class, 18.1


  • Collatz conjecture, 7.3


  • Czech Republic, national flag, 15.9


  • calculator, 1.8, 2.12


  • call graph, 11.5, 11.9


  • callback, 19.2, 19.6, 19.7, 19.8, 19.9, 19.10


  • card, playing, 18


  • carrying, addition with, 7.6, 16.2, 16.4


  • case-sensitivity, variable names, 2.10


  • catch, 14.11


  • chained conditional, 5.6, 5.13


  • character, 8.1


  • checksum, 14.12


  • child class, 18.7, 18.10


  • choice function, 13.2


  • circle function, 4.3


  • circular definition, 6.5


  • class, 15.1, 15.8


Card, 18.1


  • Date, 16.7


  • Deck, 18.4


  • Hand, 18.7


  • Kangaroo, 17.12


  • Point, 15.1, 17.5


  • parent, 18.7


  • Rectangle, 15.3


  • SimpleTurtleWorld, 19.6


  • Time, 16.1



  • class attribute, 18.2, 18.10


  • class definition, 15.1


  • class diagram, 18.8, 18.10


  • class object, 15.1, 15.8


  • close method, 14.2, 14.6, 14.8


  • cmp function, 18.3


  • __cmp__ method, 18.3


  • colon, 3.5, A.1


  • color list, 15.9, 17.12


  • comment, 2.9, 2.11


  • commutativity, 2.8, 17.8


  • compare function, 6.1


  • comparison

string, 8.10


  • tuple, 12.7, 18.3



  • comparison operator, 5.2


  • compile, 1.1, 1.7


  • composition, 3.4, 3.8, 3.14, 6.3, 18.4


  • compound statement, 5.4, 5.13


  • compression

file, 14.8



  • concatenation, 2.8, 2.11, 3.9, 8.3, 8.5, 10.9


list, 10.4, 10.12, 10.15



  • condition, 5.4, 5.13, 7.3, A.2.2


  • conditional, A.1


chained, 5.6, 5.13


  • nested, 5.7, 5.13



  • conditional execution, 5.4


  • conditional operator, 18.3


  • conditional statement, 5.4, 5.13, 6.4


  • config method, 19.3


  • consistency check, 11.8, 16.4


  • contributors, 0


  • conversion

type, 3.2



  • coordinate

Canvas, 19.3, 19.8


  • pixel, 19.8



  • coordinate sequence, 19.4


  • copy

deep, 15.6


  • shallow, 15.6


  • slice, 8.4, 10.5


  • to avoid aliasing, 10.13



  • copy module, 15.6


  • copying objects, 15.6


  • count method, 8.8


  • counter, 8.7, 8.12, 11.1, 11.6


  • counting and looping, 8.7


  • crosswords, 9.1


  • cummings, e. e., 1.3.1


  • cumulative sum, 10.7




  • Date class, 16.7


  • Deck class, 18.4


  • Dijkstra, Edsger, 9.5


  • Doyle, Arthur Conan, 1.3.4


  • DSU pattern, 12.7, 12.10, 13.4


  • data structure, 12.9, 12.10, 13.9


  • database, 14.6, 14.11, 14.12


  • datetime module, 16.7


  • dead code, 6.1, 6.10, A.2.4


  • debugger (pdb), A.2.3


  • debugging, 1.3, 1.3, 1.6, 1.7, 2.10, 3.13, 4.10, 5.12, 6.9, 8.11, 9.5, 10.13, 11.8, 12.9, 13.10, 14.10, 15.7, 16.5, 17.10, 18.9, 19.9, A


by bisection, 7.7


  • emotional response, 1.6, A.3.4


  • experimental, 1.3.4


  • superstition, A.3.4



  • deck, playing cards, 18.4


  • declaration, 11.6, 11.9


  • decorate-sort-undecorate pattern, 12.7


  • decrement, 7.2, 7.8


  • deep copy, 15.6, 15.8


  • deepcopy function, 15.6


  • def keyword, 3.5


  • default value, 13.5, 13.11, 17.5


avoiding mutable, 17.12



  • definition

circular, 6.5


  • class, 15.1


  • function, 3.5


  • recursive, 12.11



  • del operator, 10.8


  • deletion, element of list, 10.8


  • delimiter, 10.9, 10.14


  • deterministic, 13.2, 13.11


  • development plan, 4.11


encapsulation and generalization, 4.8


  • incremental, 6.2, A.1


  • planned, 16.4


  • problem recognition, 9.3, 9.4


  • prototype and patch, 16.2, 16.4


  • random walk programming, 13.10, A.3.4



  • diagram

call graph, 11.9


  • class, 18.8, 18.10


  • object, 15.2, 15.3, 15.6, 15.8, 16.1, 18.2


  • stack, 3.10, 10.12


  • state, 2.2, 7.1, 8.11, 10.2, 10.10, 10.11, 11.4, 12.6, 15.2, 15.3, 15.6, 16.1, 18.2



  • __dict__ attribute, 17.10


  • dict function, 11


  • dictionary, 11, 11, 11.9, 12.6, A.2.3


initialize, 12.6


  • invert, 11.4


  • lookup, 11.3


  • looping with, 11.2


  • reverse lookup, 11.3


  • subtraction, 13.6


  • traversal, 12.6, 17.10



  • dictionary methods

anydbm module, 14.6



  • directory, 14.4, 14.11


walk, 14.4


  • working, 14.4



  • dispatch

type-based, 17.9



  • dispatch, type-based, 17.8


  • divisibility, 5.1


  • division

floating-point, 2.5


  • floor, 2.5, 5.12



  • divmod, 12.3, 16.4


  • docstring, 4.9, 4.11, 15.1


  • documentation, 1.8


  • dot notation, 3.3, 3.14, 8.8, 15.2, 17.2, 18.2


  • double letters, 9.7


  • drag-and-drop, 19.8


  • duplicate, 10.15, 10.15, 11.10, 14.12




  • Einstein, Albert, 4.6


  • Entry widget, 19.5


  • Euclid’s algorithm, 6.11


  • Event object, 19.8


  • element, 10.1, 10.14


  • element deletion, 10.8


  • elif keyword, 5.6


  • ellipses, 3.5


  • else keyword, 5.5


  • email address, 12.2


  • embedded object, 15.3, 15.8, 17.12


copying, 15.6



  • emotional debugging, 1.6, A.3.4


  • empty list, 10.1


  • empty string, 8.12, 10.9


  • encapsulation, 4.4, 4.11, 6.3, 7.5, 8.7, 18.7


  • encode, 18.1, 18.10


  • encrypt, 18.1


  • encryption, 11.7


  • end of line character, 14.10


  • enumerate function, 12.5


  • epsilon, 7.5


  • equality and assignment, 7.1


  • equivalence, 10.10


  • equivalent, 10.14


  • error

compile-time, A


  • runtime, 1.3.2, 2.10, 5.10, 5.12, A


  • semantic, 1.3.3, 2.1, 2.10, 8.11, A, A.3


  • shape, 12.9


  • syntax, 1.3.1, 2.10, A



  • error checking, 6.8


  • error message, 1.3.1, 1.3.3, 1.6, 2.1, 2.10, A.1


  • eval function, 7.9


  • evaluate, 2.6


  • event, 19.10


  • event handler, 19.8


  • event loop, 19.1, 19.10


  • event string, 19.8


  • event-driven programming, 19.2, 19.9, 19.10


  • exception, 1.3.2, 1.7, 2.10, A, A.2.3


AttributeError, 15.7, A.2.3


  • IndexError, 8.2, 8.11, 10.2, A.2.3


  • IOError, 14.5


  • KeyError, 11, A.2.3


  • NameError, 3.9, A.2.3


  • OverflowError, 5.12


  • RuntimeError, 5.10


  • SyntaxError, 3.4


  • TypeError, 8.1, 8.5, 11.4, 12.1, 12.4, 14.3, 17.3, A.2.3


  • UnboundLocalError, 11.6


  • ValueError, 5.11, 11.3, 12.2



  • exception, catching, 14.5


  • executable, 1.1, 1.7


  • exercise, secret, 14.12


  • exists function, 14.4


  • experimental debugging, 1.3.4, 13.10


  • expression, 2.5, 2.6, 2.11


big and hairy, A.3.2


  • boolean, 5.2, 5.13



  • extend method, 10.6




  • False special value, 5.2


  • Fermat’s Last Theorem, 5.14


  • Frame widget, 19.6


  • Free Documentation License, GNU, 0, 0


  • factorial function, 6.5, 6.8


  • fibonacci function, 6.7, 11.5


  • file, 14


compression, 14.8


  • permission, 14.5


  • reading and writing, 14.2



  • file object, 9.1, 9.6


  • filename, 14.4


  • filter pattern, 10.7, 10.14


  • find function, 8.6


  • flag, 11.6, 11.9


  • float function, 3.2


  • float type, 2.1


  • floating-point, 2.11, 7.5


  • floating-point division, 2.5


  • floor division, 2.5, 2.11, 5.12


  • flow of execution, 3.7, 3.14, 6.7, 6.9, 7.3, 18.9, 19.9, A.2.2


  • flower, 4.12


  • folder, 14.4


  • for loop, 4.2, 8.3, 10.3, 12.5


  • formal language, 1.4, 1.7


  • format operator, 14.3, 14.11, A.2.3


  • format sequence, 14.3, 14.11


  • format string, 14.3, 14.11


  • frabjuous, 6.5


  • frame, 3.10, 3.14, 5.9, 6.5, 11.5


  • frequency, 11.1


letter, 12.11


  • word, 13.1, 13.12



  • fruitful function, 3.11, 3.14


  • frustration, A.3.4


  • function, 3.5, 3.14, 17.1


abs, 6.1


  • ack, 6.11


  • arc, 4.3


  • choice, 13.2


  • circle, 4.3


  • cmp, 18.3


  • compare, 6.1


  • deepcopy, 15.6


  • dict, 11


  • enumerate, 12.5


  • eval, 7.9


  • exists, 14.4


  • factorial, 6.5


  • fibonacci, 6.7, 11.5


  • find, 8.6


  • float, 3.2


  • getattr, 17.10


  • getcwd, 14.4


  • hasattr, 15.7, 17.10


  • int, 3.2


  • isinstance, 6.8, 17.8


  • len, 3.15, 8.2, 11


  • list, 10.9


  • log, 3.3


  • max, 12.3, 12.4


  • min, 12.3, 12.4


  • open, 9.1, 9.1, 14.2, 14.5, 14.6


  • polygon, 4.3


  • popen, 14.8


  • randint, 10.15, 13.2


  • random, 12.7, 13.2


  • raw_input, 5.11


  • recursive, 5.8


  • reload, 14.9, A.1.1


  • repr, 14.10


  • reversed, 12.8


  • shuffle, 18.6


  • sorted, 12.8


  • sqrt, 3.3, 6.2


  • str, 3.2


  • sum, 12.4


  • tuple, 12.1


  • type, 15.7


  • zip, 12.5



  • function argument, 3.8


  • function call, 3.1, 3.14


  • function composition, 6.3


  • function definition, 3.5, 3.6, 3.14, 3.14


  • function frame, 3.10, 3.14, 5.9, 11.5


  • function object, 3.5, 3.15


  • function parameter, 3.8


  • function syntax, 17.2


  • function type

modifier, 16.3


  • pure, 16.2



  • function, fruitful, 3.11


  • function, math, 3.3


  • function, reasons for, 3.12


  • function, trigonometric, 3.3


  • function, tuple as return value, 12.3


  • function, void, 3.11


  • functional programming style, 16.3, 16.6




  • GCD (greatest common divisor), 6.11


  • GNU Free Documentation License, 0, 0


  • GUI, 19.1, 19.10


  • Gui module, 19.1


  • gamma function, 6.8


  • gather, 12.4, 12.10


  • generalization, 4.5, 4.11, 9.3, 16.4


  • geometry manager, 19.6, 19.10


  • get method, 11.1


  • getattr function, 17.10


  • getcwd function, 14.4


  • global statement, 11.6


  • global variable, 11.6, 11.9


update, 11.6



  • graphical user interface, 19.1


  • greatest common divisor (GCD), 6.11


  • grid, 3.15


  • guardian pattern, 6.8, 6.10, 8.11


  • gzip (Unix command), 14.8




  • HAS-A relationship, 18.8, 18.10


  • Hand class, 18.7


  • Hello, World, 1.5


  • Holmes, Sherlock, 1.3.4


  • HTMLParser module, 19.11


  • hanging, A.2.2


  • hasattr function, 15.7, 17.10


  • hash function, 11.4, 11.9


  • hashable, 11.4, 11.9, 12.6


  • hashtable, 11, 11.9


  • header, 3.5, 3.14, A.1


  • help utility, 1.8


  • hexadecimal, 15.1


  • high-level language, 1.1, 1.7


  • histogram, 11.1, 11.1, 11.9


random choice, 13.2, 13.7


  • word frequencies, 13.3



  • homophone, 11.10


  • hyperlink, 19.11


  • hypotenuse, 6.2




  • IMDb (Internet Movie Database), 14.12


  • Image module, 19.11


  • IndexError, 8.2, 8.11, 10.2, A.2.3


  • Internet Movie Database (IMDb), 14.12


  • IOError, 14.5


  • IS-A relationship, 18.8, 18.10


  • identical, 10.14


  • identity, 10.10


  • if statement, 5.4


  • image viewer, 19.11


  • immutability, 8.5, 8.5, 8.12, 10.11, 11.4, 12.1, 12.8


  • implementation, 11.1, 11.9, 13.9


  • import statement, 3.14, 4.1, 14.9


  • in operator, 8.9, 9.3, 10.2, 11


  • increment, 7.2, 7.8, 16.3, 17.3


  • incremental development, 6.10, A.1


  • indentation, 3.5, 17.2, A.1


  • index, 8.1, 8.1, 8.11, 8.12, 10.2, 10.14, 11, A.2.3


looping with, 9.4, 10.3


  • negative, 8.2


  • slice, 8.4, 10.5


  • starting at zero, 8.1, 10.2



  • infinite loop, 7.3, 7.8, 19.1, A.2.2, A.2.2


  • infinite recursion, 5.10, 5.13, 6.8, A.2.2, A.2.2


  • inheritance, 18.7, 18.10


  • init method, 17.5, 17.10, 18.1, 18.4, 18.7


  • initialization (before update), 7.2


  • instance, 4.1, 4.11, 15.1, 15.8


as argument, 15.2


  • as return value, 15.4



  • instance attribute, 15.2, 15.8, 18.2, 18.10


  • instantiation, 15.1


  • int function, 3.2


  • int type, 2.1


  • integer, 2.11


long, 11.7



  • interactive mode, 1.1, 1.7, 2.4, 3.11


  • interface, 4.6, 4.10, 4.11, 18.9


  • interlocking words, 10.15


  • interpret, 1.1, 1.7


  • invariant, 16.5, 16.6, 19.9


  • invert dictionary, 11.4


  • invocation, 8.8, 8.12


  • is operator, 10.10, 15.6


  • isinstance function, 6.8, 17.8


  • item, 8.12, 10.1


Canvas, 19.3, 19.10


  • dictionary, 11.9



  • item assignment, 8.5, 10.2, 12.1


  • item update, 10.3


  • items method, 12.6


  • iteration, 7, 7.3, 7.8




  • join method, 10.9, 18.5




  • Kangaroo class, 17.12


  • Kevin Bacon Game, 14.12


  • KeyError, 11, A.2.3


  • Koch curve, 5.14


  • key, 11, 11.9


  • key-value pair, 11, 11.9, 12.6


  • keyboard input, 5.11


  • keys method, 11.2


  • keyword, 2.3, 2.3, 2.11, A.1


def, 3.5


  • elif, 5.6


  • else, 5.5



  • keyword argument, 4.5, 4.11, 12.7, 19.2, 19.10




  • Label widget, 19.2


  • Linux, 1.3.4


  • language

formal, 1.4


  • high-level, 1.1


  • low-level, 1.1


  • natural, 1.4


  • programming, 1.1


  • safe, 1.3.2


  • Turing complete, 6.5



  • leap of faith, 6.6


  • len function, 3.15, 8.2, 11


  • letter frequency, 12.11


  • letter rotation, 8.13, 11.10


  • lipogram, 9.2


  • list, 10, 10.9, 10.14, 12.8


as argument, 10.12


  • comprehension, 10.7


  • concatenation, 10.4, 10.12, 10.15


  • copy, 10.5


  • element, 10.2


  • empty, 10.1


  • function, 10.9


  • index, 10.2


  • membership, 10.2


  • method, 10.6


  • nested, 10.1, 10.3


  • of objects, 18.4


  • of tuples, 12.5


  • operation, 10.4


  • repetition, 10.4


  • slice, 10.5


  • traversal, 10.3, 10.14



  • literalness, 1.4


  • local variable, 3.9, 3.14


  • log function, 3.3


  • logarithm, 13.12


  • logical operator, 5.2, 5.3


  • long integer, 11.7


  • lookup, 11.9


  • lookup, dictionary, 11.3


  • loop, 4.2, 4.11, 7.3, 12.5


condition, A.2.2


  • event, 19.1


  • for, 4.2, 8.3, 10.3


  • infinite, 7.3, 19.1, A.2.2


  • nested, 18.4


  • traversal, 8.3


  • while, 7.3



  • looping

with dictionaries, 11.2


  • with indices, 9.4


  • with strings, 8.7



  • looping and counting, 8.7


  • looping with indices, 10.3


  • low-level language, 1.1, 1.7


  • ls (Unix command), 14.8




  • Markov analysis, 13.8


  • McCloskey, Robert, 8.3


  • MD5 algorithm, 14.12


  • Menubutton widget, 19.7


  • Monty Python and the Holy Grail, 16.2


  • MP3, 14.12


  • map pattern, 10.7, 10.14


  • map to, 18.1


  • mapping, 10.2, 10.14, 13.8


  • mash-up, 13.8


  • math function, 3.3


  • max function, 12.3, 12.4


  • membership

bisection search, 10.15


  • dictionary, 11


  • list, 10.2


  • set, 11



  • memo, 11.5, 11.9


  • mental model, A.3.1


  • metaphor, method invocation, 17.2


  • metathesis, 12.11


  • method, 8.8, 8.12, 17.1, 17.11


__cmp__, 18.3


  • __str__, 17.6, 18.5


  • add, 17.7


  • append, 10.6, 10.12, 18.4, 18.6


  • close, 14.2, 14.6, 14.8


  • config, 19.3


  • count, 8.8


  • extend, 10.6


  • get, 11.1


  • init, 17.5, 18.1, 18.4, 18.7


  • items, 12.6


  • join, 10.9, 18.5


  • keys, 11.2


  • mro, 18.9


  • pop, 10.8, 18.6


  • radd, 17.8


  • read, 14.8


  • readline, 9.1, 14.8


  • remove, 10.8


  • replace, 13.1


  • setdefault, 11.4


  • sort, 10.6, 10.13, 12.7, 18.6


  • split, 10.9, 12.2


  • string, 8.13


  • strip, 9.1, 13.1


  • translate, 13.1


  • update, 12.6


  • values, 11


  • void, 10.6



  • method append, 10.15


  • method resolution order, 18.9


  • method syntax, 17.2


  • method, bound, 19.6


  • method, list, 10.6


  • min function, 12.3, 12.4


  • model, mental, A.3.1


  • modifier, 16.3, 16.6


  • module, 3.3, 3.14, 3.14


anydbm, 14.6


  • bisect, 10.15


  • copy, 15.6


  • datetime, 16.7


  • Gui, 19.1


  • HTMLParser, 19.11


  • Image, 19.11


  • os, 14.4


  • pickle, 14.1, 14.7


  • pprint, 11.8


  • profile, 13.9


  • random, 10.15, 12.7, 13.2, 18.6


  • reload, 14.9, A.1.1


  • shelve, 14.7, 14.12


  • string, 13.1


  • structshape, 12.9


  • urllib, 14.12, 19.11


  • Visual, 17.12


  • vpython, 17.12


  • World, 15.9



  • module object, 3.3, 14.9


  • module, writing, 14.9


  • modulus operator, 5.1, 5.13


  • mro method, 18.9


  • multiline string, 4.9, A.1


  • multiple assignment, 7.1, 7.8, 11.6


  • multiplicity (in class diagram), 18.8, 18.10


  • mutability, 8.5, 10.2, 10.5, 10.11, 11.6, 12.1, 12.8, 15.5


  • mutable object, as default value, 17.12




  • NameError, 3.9, A.2.3


  • Newton’s method, 7.5


  • None special value, 3.11, 6.1, 6.10, 10.6, 10.8


  • natural language, 1.4, 1.7


  • negative index, 8.2


  • nested conditional, 5.7, 5.13


  • nested list, 10.1, 10.3, 10.14


  • newline, 5.11, 7.1, 18.5


  • not operator, 5.3


  • number, random, 13.2




  • OverflowError, 5.12


  • object, 8.5, 8.12, 10.10, 10.10, 10.14, 15.1


Callable, 19.7


  • Canvas, 15.9


  • class, 15.1


  • copying, 15.6


  • Event, 19.8


  • embedded, 15.3, 15.8, 17.12


  • file, 9.1, 9.6


  • function, 3.5, 3.15


  • module, 14.9


  • mutable, 15.5


  • printing, 17.2



  • object code, 1.1, 1.7


  • object diagram, 15.2, 15.3, 15.6, 15.8, 16.1, 18.2


  • object-oriented language, 17.11


  • object-oriented programming, 17.1, 17.11, 18.7


  • octal, 2.2


  • odometer, 9.7


  • open function, 9.1, 9.1, 14.2, 14.5, 14.6


  • operand, 2.5, 2.11


  • operator, 2.11


and, 5.3


  • bitwise, 2.5


  • boolean, 8.9


  • bracket, 8.1, 10.2, 12.1


  • comparison, 5.2


  • conditional, 18.3


  • del, 10.8


  • format, 14.3, 14.11, A.2.3


  • in, 8.9, 9.3, 10.2, 11


  • is, 10.10, 15.6


  • logical, 5.2, 5.3


  • modulus, 5.1, 5.13


  • not, 5.3


  • or, 5.3


  • overloading, 17.11


  • slice, 8.4, 8.13, 10.5, 10.12, 12.1


  • string, 2.8


  • update, 10.7



  • operator overloading, 17.7, 18.3


  • operator, arithmetic, 2.5


  • option, 19.2, 19.10


  • optional argument, 8.8, 10.9, 11.3


  • optional parameter, 13.5, 17.5


  • or operator, 5.3


  • order of operations, 2.7, 2.10, A.3.2


  • os module, 14.4


  • other (parameter name), 17.4


  • overloading, 17.11


  • override, 13.5, 13.11, 17.5, 18.3, 18.7, 18.9




  • PEMDAS, 2.7


  • PIL (Python Imaging Library), 19.11


  • Point class, 15.1, 17.5


  • Project Gutenberg, 13.1


  • Puzzler, 9.7, 9.7, 9.7, 11.10, 12.11


  • Pythagorean theorem, 6.2


  • Python 3.0, 1.5, 2.5, 5.11, 11.7, 12.5


  • Python debugger (pdb), A.2.3


  • Python Imaging Library (PIL), 19.11


  • packing widgets, 19.6, 19.10


  • palindrome, 6.11, 8.13, 9.4, 9.7, 9.7


  • parameter, 3.8, 3.9, 3.14, 10.12


gather, 12.4


  • optional, 13.5, 17.5


  • other, 17.4


  • self, 17.2



  • parent class, 18.7, 18.7, 18.10


  • parentheses

argument in, 3.1


  • empty, 3.5, 8.8


  • matching, 1.3.1


  • overriding precedence, 2.7


  • parameters in, 3.8, 3.9


  • parent class in, 18.7


  • tuples in, 12.1



  • parse, 1.4, 1.7, 14.12


  • pass statement, 5.4


  • path, 14.4, 14.11


absolute, 14.4


  • relative, 14.4



  • pattern

DSU, 12.7, 13.4


  • decorate-sort-undecorate, 12.7


  • filter, 10.7, 10.14


  • guardian, 6.8, 6.10, 8.11


  • map, 10.7, 10.14


  • reduce, 10.7, 10.14


  • search, 8.6, 8.12, 9.3, 11.3


  • swap, 12.2



  • pdb (Python debugger), A.2.3


  • permission, file, 14.5


  • persistence, 14.1, 14.11


  • pi, 3.3, 7.9


  • pickle module, 14.1, 14.7


  • pickling, 14.7


  • pie, 4.12


  • pipe, 14.8, 14.12


  • pixel coordinate, 19.8


  • plain text, 9.1, 13.1, 14.12, 19.11


  • planned development, 16.4, 16.6


  • playing card, Anglo-American, 18


  • poetry, 1.4


  • point, mathematical, 15.1


  • poker, 18, 18.11


  • polygon function, 4.3


  • polymorphism, 17.9, 17.11, 18.9


  • pop method, 10.8, 18.6


  • popen function, 14.8


  • portability, 1.1, 1.7


  • postcondition, 4.10, 6.9, 18.9


  • pprint module, 11.8


  • precedence, 2.11, A.3.2


  • precondition, 4.10, 4.11, 4.11, 6.9, 10.15, 18.9


  • prefix, 13.8


  • pretty print, 11.8


  • print statement, 1.5, 1.7, 17.6, A.2.4


  • problem recognition, 9.3, 9.4, 9.6


  • problem solving, 1, 1.7


  • profile module, 13.9


  • program, 1.2, 1.7


  • program testing, 9.5


  • programming language, 1.1


  • prompt, 1.1, 1.7, 5.11


  • prose, 1.4


  • prototype and patch, 16.2, 16.4, 16.6


  • pseudorandom, 13.2, 13.11


  • pure function, 16.2, 16.6


  • python.org, 1.8




  • quotation mark, 1.5, 2.1, 2.1, 4.9, 8.4, A.1




  • Ramanujan, Srinivasa, 7.9


  • Rectangle class, 15.3


  • RSA algorithm, 11.7


  • RuntimeError, 5.10, 6.8


  • radd method, 17.8


  • radian, 3.3


  • rage, A.3.4


  • raise statement, 11.3, 16.5


  • randint function, 10.15, 13.2


  • random function, 12.7, 13.2


  • random module, 10.15, 12.7, 13.2, 18.6


  • random number, 13.2


  • random text, 13.8


  • random walk programming, 13.10, A.3.4


  • rank, 18.1


  • raw_input function, 5.11


  • read method, 14.8


  • readline method, 9.1, 14.8


  • recursion, 5.8, 5.8, 5.13, 6.5, 6.6


base case, 5.9


  • infinite, 5.10, 6.8, A.2.2



  • recursive definition, 6.5, 12.11


  • reduce pattern, 10.7, 10.14


  • reducible word, 11.10, 12.11


  • redundancy, 1.4


  • refactoring, 4.7, 4.7


  • reference, 10.11, 10.12, 10.14


aliasing, 10.11



  • relative path, 14.4, 14.11


  • reload function, 14.9, A.1.1


  • remove method, 10.8


  • repetition, 4.2


list, 10.4



  • replace method, 13.1


  • repr function, 14.10


  • representation, 15.1, 15.3, 18.1


  • return statement, 5.8, 6.1, A.3.3


  • return value, 3.1, 3.14, 6.1, 15.4


tuple, 12.3



  • reverse lookup, dictionary, 11.3, 11.9


  • reverse word pair, 10.15


  • reversed function, 12.8


  • rotation

letters, 11.10



  • rotation, letter, 8.13


  • rules of precedence, 2.7, 2.11


  • running pace, 1.8, 2.12, 16.7


  • runtime error, 1.3.2, 2.10, 5.10, 5.12, A, A.2.3




  • Scrabble, 12.11


  • SimpleTurtleWorld class, 19.6


  • SVG, 19.11


  • Swampy, 4.1, 9.1, 15.9, 18.11, 19.1


  • SyntaxError, 3.4


  • safe language, 1.3.2


  • sanity check, 11.8


  • scaffolding, 6.2, 6.10, 11.8


  • scatter, 12.4, 12.10


  • script, 1.1, 1.7


  • script mode, 1.1, 1.7, 2.4, 3.11


  • search, 11.3


  • search pattern, 8.6, 8.12, 9.3


  • search, bisection, 10.15


  • secret exercise, 14.12


  • self (parameter name), 17.2


  • semantic error, 1.3.3, 1.7, 2.1, 2.10, 8.11, A, A.3


  • semantics, 1.3.3, 1.7, 17.1


  • sequence, 8.1, 8.12, 10.1, 10.9, 12.1, 12.8


coordinate, 19.4



  • set, 13.6


anagram, 12.11, 14.7



  • set membership, 11


  • setdefault method, 11.4


  • sexagesimal, 16.4


  • shallow copy, 15.6, 15.8


  • shape, 12.10


  • shape error, 12.9


  • shell, 14.8


  • shelve module, 14.7, 14.12


  • shuffle function, 18.6


  • sine function, 3.3


  • singleton, 11.4, 11.9, 12.1


  • slice, 8.12


copy, 8.4, 10.5


  • list, 10.5


  • string, 8.4


  • tuple, 12.1


  • update, 10.5



  • slice operator, 8.4, 8.13, 10.5, 10.12, 12.1


  • sort method, 10.6, 10.13, 12.7, 18.6


  • sorted function, 12.8


  • source code, 1.1, 1.7


  • special case, 9.5, 9.6, 16.3


  • special value

False, 5.2


  • None, 3.11, 6.1, 6.10, 10.6, 10.8


  • True, 5.2



  • split method, 10.9, 12.2


  • sqrt, 6.2


  • sqrt function, 3.3


  • square root, 7.5


  • squiggly bracket, 11


  • stack diagram, 3.10, 3.10, 3.14, 4.12, 5.9, 6.5, 6.11, 10.12


  • state diagram, 2.2, 2.11, 7.1, 8.11, 10.2, 10.10, 10.11, 11.4, 12.6, 15.2, 15.3, 15.6, 16.1, 18.2


  • statement, 2.4, 2.11


assert, 16.5


  • assignment, 2.2, 7.1


  • break, 7.4


  • compound, 5.4


  • conditional, 5.4, 5.13, 6.4


  • for, 4.2, 8.3, 10.3


  • global, 11.6


  • if, 5.4


  • import, 3.14, 4.1, 14.9


  • pass, 5.4


  • print, 1.5, 1.7, 17.6, A.2.4


  • raise, 11.3, 16.5


  • return, 5.8, 6.1, A.3.3


  • try, 14.5


  • while, 7.3



  • step size, 8.13


  • str function, 3.2


  • __str__ method, 17.6, 18.5


  • string, 2.1, 2.11, 10.9, 12.8


accumulator, 18.5


  • comparison, 8.10


  • empty, 10.9


  • immutable, 8.5


  • method, 8.8


  • multiline, 4.9, A.1


  • operation, 2.8


  • slice, 8.4


  • triple-quoted, 4.9



  • string method, 8.13


  • string module, 13.1


  • string representation, 14.10, 17.6


  • string type, 2.1


  • strip method, 9.1, 13.1


  • structshape module, 12.9


  • structure, 1.4


  • subclass, 18.7


  • subject, 17.2, 17.11, 19.6


  • subtraction

dictionary, 13.6


  • with borrowing, 7.6



  • subtraction with borrowing, 16.4


  • suffix, 13.8


  • suit, 18.1


  • sum function, 12.4


  • superclass, 18.7


  • superstitious debugging, A.3.4


  • swap pattern, 12.2


  • syntax, 1.3.1, 1.3.1, 1.7, 17.1, A.1


  • syntax error, 1.3.1, 1.7, 2.10, A




  • Tagger, 18.11


  • Text widget, 19.5


  • Time class, 16.1


  • Tkinter, 19.1


  • True special value, 5.2


  • Turing complete language, 6.5


  • Turing Thesis, 6.5


  • Turing, Alan, 6.5


  • TurtleWorld, 4.1, 5.14, 18.11


  • TypeError, 8.1, 8.5, 11.4, 12.1, 12.4, 14.3, 17.3, A.2.3


  • temporary variable, 6.1, 6.10, A.3.2


  • test case, minimal, A.2.4


  • testing

and absence of bugs, 9.5


  • incremental development, 6.2


  • interactive mode, 1.1


  • is hard, 9.5


  • knowing the answer, 6.2


  • leap of faith, 6.6


  • minimal test case, A.2.4



  • text

plain, 9.1, 13.1, 14.12, 19.11


  • random, 13.8



  • text file, 14.11


  • token, 1.4, 1.7


  • traceback, 3.10, 3.14, 5.10, 5.12, 11.3, A.2.3


  • translate method, 13.1


  • traversal, 8.3, 8.3, 8.6, 8.11, 8.12, 9.3, 9.3, 10.7, 10.14, 11.1, 11.2, 12.5, 12.5, 12.7, 13.3


dictionary, 17.10


  • list, 10.3



  • traverse

dictionary, 12.6



  • triangle, 5.14


  • trigonometric function, 3.3


  • triple-quoted string, 4.9


  • try statement, 14.5


  • tuple, 12.1, 12.3, 12.8, 12.10


as key in dictionary, 12.6, 13.9


  • assignment, 12.2


  • comparison, 12.7, 18.3


  • in brackets, 12.6


  • singleton, 12.1


  • slice, 12.1



  • tuple assignment, 12.3, 12.5, 12.10


  • tuple function, 12.1


  • turtle typewriter, 4.12


  • type, 2.1, 2.1, 2.11


bool, 5.2


  • dict, 11


  • file, 14


  • float, 2.1


  • int, 2.1


  • list, 10


  • long, 11.7


  • set, 13.6


  • str, 2.1


  • tuple, 12.1


  • user-defined, 15.1, 16.1



  • type checking, 6.8


  • type conversion, 3.2


  • type function, 15.7


  • type-based dispatch, 17.8, 17.9, 17.11


  • typewriter, turtle, 4.12


  • typographical error, 13.10




  • UML, 18.8


  • UnboundLocalError, 11.6


  • Unix command

gzip, 14.8


  • ls, 14.8



  • URL, 14.12, 19.11


  • underscore character, 2.3


  • uniqueness, 10.15


  • update, 7.2, 7.5, 7.8


coordinate, 19.8


  • database, 14.6


  • global variable, 11.6


  • histogram, 13.3


  • item, 10.3


  • slice, 10.5



  • update method, 12.6


  • update operator, 10.7


  • urllib module, 14.12, 19.11


  • use before def, 2.10, 3.6


  • user-defined type, 15.1, 16.1




  • ValueError, 5.11, 11.3, 12.2


  • Visual module, 17.12


  • value, 2.1, 2.11, 10.10, 10.10, 11.9


default, 13.5


  • tuple, 12.3



  • values method, 11


  • variable, 2.2, 2.11


global, 11.6


  • local, 3.9


  • temporary, 6.1, 6.10, A.3.2


  • updating, 7.2



  • variable-length argument tuple, 12.4


  • vector graphics, 19.11


  • veneer, 18.6, 18.10


  • void function, 3.11, 3.14


  • void method, 10.6


  • vpython module, 17.12




  • World module, 15.9


  • walk, directory, 14.4


  • while loop, 7.3


  • whitespace, 3.13, 5.12, 9.1, 14.10, A.1


  • widget, 19.1, 19.10


Button, 19.2


  • Canvas, 19.3


  • Entry, 19.5


  • Frame, 19.6


  • Label, 19.2


  • Menubutton, 19.7


  • Text, 19.5



  • widget, packing, 19.6


  • word count, 14.9


  • word frequency, 13.1, 13.12


  • word, reducible, 11.10, 12.11


  • working directory, 14.4


  • worst bug, 17.12


ever, 19.11





  • Zipf’s law, 13.12


  • zero, index starting at, 8.1, 10.2


  • zip function, 12.5


use with dict, 12.6