4. Functions

Question 1

algorithm

Answer 1

A general process for solving a category of problems.

Question 2

argument

Answer 2

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

Question 3

body

Answer 3

The sequence of statements inside a function definition.

Question 4

composition

Answer 4

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

Question 5

deterministic

Answer 5

Pertaining to a program that does the same thing each time it
runs, given the same inputs.

Question 6

dot notation

Answer 6

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

Question 7

flow of execution

Answer 7

The order in which statements are executed during a program

run.

Question 8

fruitful function

Answer 8

A function that returns a value.

Question 9

function

Answer 9

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 10

function call

Answer 10

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

Question 11

function definition

Answer 11

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

Question 12

function object

Answer 12

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

Question 13

header

Answer 13

The first line of a function definition.

Question 14

import statement

Answer 14

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

Question 15

module object

Answer 15

A value created by an import statement that provides access to
the data and code defined in a module.

Question 16

parameter

Answer 16

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

Question 17

pseudorandom

Answer 17

Pertaining to a sequence of numbers that appear to be random,
but are generated by a deterministic program.

Question 18

return value

Answer 18

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

Question 19

void function

Answer 19

A function that does not return a value.

Question 20

What is the purpose of the “def” keyword in Python?

a) It is slang that means “the following code is really cool”
b) It indicates the start of a function
c) It indicates that the following indented section of code is to be stored for later
d) b and c are both true
e) None of the above

Answer 20

c) It indicates that the following indented section of code is to be stored for later

Question 21

What will the following Python program print out?

def fred():
print("Zap")

def jane():
print("ABC")

jane()
fred()
jane()

a) Zap ABC jane fred jane
b) Zap ABC Zap
c) ABC Zap jane
d) ABC Zap ABC
e) Zap Zap Zap

Answer 21

d) ABC Zap ABC