Chapter 3

Question 1

argument

Answer 1

A value provided to a function when the function is called. This value is assigned to the corresponding parameter in the function.

Question 2

body

Answer 2

The second part of a compound statement. The body consists of a sequence of statements all indented the same amount from the beginning of the header. The standard amount of indentation used within the Python community is 4 spaces.

Question 3

compound statement

Answer 3

A statement that consists of two parts:

1. header - which begins with a keyword determining the statement type, and ends with a colon.
2. body - containing one or more statements indented the same amount from the header.
   The syntax of a compound statement looks like this:

keyword expression:
statement
statement …

Question 4

flow of execution

Answer 4

The order in which statements are executed during a program run.

Question 5

frame

Answer 5

A box in a stack diagram that represents a function call. It contains the local variables and parameters of the function.

Question 6

function

Answer 6

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

Question 7

function call

Answer 7

A statement that executes a function. It consists of the name of the function followed by a list of arguments enclosed in parentheses.

Question 8

function composition

Answer 8

Using the output from one function call as the input to another.

Question 9

function definition

Answer 9

A statement that creates a new function, specifying its name, parameters, and the statements it executes.

Question 10

header

Answer 10

The first part of a compound statement. Headers begin with a keyword and end with a colon (:)

Question 11

import

Answer 11

A statement which permits functions and variables defined in a Python script to be brought into the environment of another script or a running Python shell.
*Note that you do not include the .py from the script name in the import statement.

Question 12

local variable

Answer 12

A variable defined inside a function. A local variable can only be used inside its function.

Question 13

parameter

Answer 13

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

Question 14

stack diagram

Answer 14

A graphical representation of a stack of functions, their variables, and the values to which they refer.

Question 15

traceback

Answer 15

A list of the functions that are executing, printed when a runtime error occurs. A traceback is also commonly refered to as a stack trace, since it lists the functions in the order in which they are stored in the runtime stack.