Python Programming: An Introduction to Computer Science

INDEX 247

Point,65, 82
Polygon,79, 83
Rectangle, 82
Text, 83
GraphWin,64, 81
methodssummary, 81
Gregorianepact, 39
GUI, 64

hailstonefunction, 140
haltingproblem, 246
happy, 89
happy birthday
lyrics, 88
problemdescription, 88
program, 90
happy.py, 90
harddrive, 3
hardware, 2
hasharray, 199
hierarchychart,148,seestructurechart
house, 86
house(ofrepresentatives), 120

identifier
definitionof, 15
rulesforforming, 15
Idle, 7
if statement
flowchart, 105
semantics, 105
syntax, 105
if-elif-elsestatement
semantics, 111
syntax, 111
if-elsestatement
decisiontree, 116
nested,110, 116
semantics, 109
syntax, 108
Image, 83
implementation, 13
importstatement,30, 106
with“from”, 64
indefiniteloop, 124
indexing
dictionary, 200
fromtheright, 52
list,185, 187
negative indexes, 52
string, 42
infiniteloop,125, 136
inheritance, 229
input, 9

validation, 135

inputstatement, 18

multiplevalues, 20

semantics, 18

syntax, 18

Input/OutputDevices, 3

instance,66, 161

instancevariable,67, 161

accessing, 168

andobjectstate, 168

int, 28

automaticconversiontofloat, 36

conversiontofloat, 37

literal, 28

rangeof, 34

representaiton, 34

integerdivision, 29

interface, 148

interpreter, 4

diagram, 5

Python, 5

vs.compiler, 5

intractableproblems,2, 246

investmentdoubling, 140

IPO(Input,Process,Output), 14

iteration, 20

key

cipher, 51

private, 51

public, 51

withdictionary, 199

key-valuepair, 199

KeyError, 201

label, 72

ladder, 39

leapyear, 120

left-justification, 54

len

withlist,185, 188

withstring, 43

lexicographicordering, 105

library

definitionof, 29

graphics,seegraphicslibrary

math,seemathlibrary

random,seerandomlibrary

string,seestringlibrary

lightning, 39

Line, 82

linecontinuation

usingbackslash(

), 55

usingbrackets, 191