Cs 1301 Test 2

Front 1

algorithm

Back 1

a general process for solving a category of problems

Front 2

aliases

Back 2

setting up two variables to refer to the same object

Front 3

block

Back 3

a piece of Python program text that is executed as a unit. the following are blocks: a module, a function body, and a class definition. each command typed interactively is a block

Front 4

boolean expression

Back 4

an expression whose value is either True or False

Front 5

clone

Back 5

DEFINE ME

Front 6

compound data type

Back 6

used to group together other values. the most versatile is the list

Front 7

conditional statement

Back 7

a statement that controls the flow of execution depending on some condition

Front 8

decrement

Back 8

an update that increases the value of a variable (often by one)

Front 9

dictionary

Back 9

a mapping from a set of keys to their corresponding values

Front 10

encapsulate

Back 10

the process of transforming a sequence of statements into a function definition

Front 11

evaluate

Back 11

solves

Front 12

exception

Back 12

refers to runtime errors; usually indicate that something exceptional (and bad) has happened

Front 13

file

Back 13

a text file is a sequence of characters on a permanent medium like a hard drive, flash memory, or CD-ROM

Front 14

float

Back 14

a type that represents numbers with fractional parts

Front 15

flow of execution

Back 15

the order in which statements are executed during a program

Front 16

format operator

Back 16

an operator, %, that takes a format string and a tuple and generates a string that includes the elements of the tuple formatted as specified by the format string

Front 17

function

Back 17

a named sequence of statements that performs some useful operation. may or may not take arguments and may or may not produce a result

Front 18

global variables

Back 18

a variable defined outside a function. can be accessed from any function

Front 19

immutable type

Back 19

the property of a sequence whose items cannot be assigned

Front 20

increment

Back 20

an update that increases the value of a variable (often by one)

Front 21

int

Back 21

a type that represents whole numbers

Front 22

iteration

Back 22

repeated execution of a set of statements using either a recursive function call or a loop

Front 23

keyword

Back 23

a reserved word that is used by the compiler to parse a program - if, def, and while

Front 24

local variable

Back 24

a variable defined inside a function; can only be used inside its function

Front 25

module

Back 25

a file that contains a collection of related functions and other definitions

Front 26

mutable type

Back 26

capable or subject to change

Front 27

nested list

Back 27

a list that is an element of another list

Front 28

None

Back 28

a special value returned by functions that have no return statement or a return statement without and argument

Front 29

operator

Back 29

a specific symbol that represents a simple computation like addition, multiplication, or string concatenation

Front 30

parameter

Back 30

a name used inside a function to refer to the value passed as an argument

Front 31

pixel

Back 31

relative to the resolution of the canvas, i.e. most often a computer display

Front 32

proprioception

Back 32

the measurement of movement relative to the robot's internal frame of reference

Front 33

recursion

Back 33

the process of calling the function that is currently executing

Front 34

robot

Back 34

a mechanism, an artificial entity, that can be guided by automatic controls

Front 35

runtime error

Back 35

the error that does not appear until after the program has started running

Front 36

semantic error

Back 36

will run the program successfully in the sense that the computer will not generate any error messages, but it will not do the right thing

Front 37

sequence

Back 37

an ordered set; that is, a set of values where each value is identified by an integer index

Front 38

short circuit evaluation

Back 38

denotes the semantics of some Boolean operators in some programming languages in which the second argument is only executed or evaluated if the first argument does not suffice to determine the value of the expression

Front 39

slice

Back 39

a part of a string specified by a range of indices

Front 40

str

Back 40

converts and argument into a string

Front 41

syntax error

Back 41

refers to an error in the structure of a program and the rules about that structure

Front 42

traverse

Back 42

FIND ME

Front 43

type conversion

Back 43

to convert values from one to another

Front 44

variable

Back 44

a name that refers to a value