Chapter 3 Functions

Question 1

Function

Answer 1

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

Question 2

Function Definition

Answer 2

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

Question 3

Function Object

Answer 3

A value created by a function definition. The name of the function is a variable that refers to a function object.

Question 4

Header

Answer 4

The first line of a function definition.

Question 5

Body

Answer 5

The sequence of statements inside a function definition.

Question 6

Parameter

Answer 6

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

Question 7

Function Call

Answer 7

A statement that runs a function. It consists of the function name followed by an argument list in parentheses.

Question 8

Argument

Answer 8

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

Question 9

Local Variable

Answer 9

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

Question 10

Return Value

Answer 10

The result of a function. If a function call is used as an expression, the return value is the value of the expression.

Question 11

Fruitful function

Answer 11

A function that returns a value.

Question 12

Void Function

Answer 12

A function that always returns None.

Question 13

None

Answer 13

A special value returned by void functions.

Question 14

Module

Answer 14

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

Question 15

Import Statement

Answer 15

A statement that reads a module file and creates a module object.

Question 16

Module Object

Answer 16

A value created by an import Statement that provides access to the values defined in a module.

Question 17

Dot Notation

Answer 17

The syntax for calling a function in another module by specifying the module name followed by a dot (period) and the function name.

Question 18

Composition

Answer 18

Using an expression as a part of a larger expression or statement as part of a larger statement.

Question 19

Flow of Execution

Answer 19

The order statements run in.

Question 20

Stack diagram

Answer 20

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

Question 21

Frame

Answer 21

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

Question 22

Traceback

Answer 22

A list of the functions that are executing, printed when an exception occurs.