Chapter 5 Key Terms

Question 1

Function

Answer 1

A block of code that performs a certain task or set of tasks.

Question 2

Divide and Conquer

Answer 2

Breaking down a problem into smaller problems that can be solved. Then combining the solutions to solve the initial problem. Functions can be executed in order.

Question 3

Benefits of Using Functions

Answer 3

Benefits include a much simpler code, reusable code, effective testing and debugging, faster development, and easier teamwork when writing codes.

Question 4

Void Functions

Answer 4

Executes the statements it contains, then terminates.

Question 5

Value-Returning Functions

Answer 5

Executes the statements it contains, and returns a value back to the statement that called it.

Question 6

Function Names

Answer 6

Names cannot contain keywords or spaces. The first character has to either be a letter or underscore. Other characters must be a letter, number or underscore. The uppercase and lowercase characters are distinct.

Question 7

Function Definition

Answer 7

Determines what that function does.

Question 8

Function Header

Answer 8

The first line of the function

Question 9

Block

Answer 9

A set of statements that belong together as a group.

Question 10

Function Call

Answer 10

A way to execute a specific block of code defined within a function. The interpreter jumps to the function and executes the statement.

Question 11

Indentation and Functions

Answer 11

Each block needs to be indented and the lines must start with the same number of spaces.

Question 12

pass

Answer 12

Used as a placeholder statement that does nothing when executed.

Question 13

Local Variables

Answer 13

Variable that is given a value inside a function.

Question 14

Variable Scope

Answer 14

The part of a program where the variable may be accessed.

Question 15

Argument

Answer 15

The data that is sent into a function.

Question 16

Parameter

Answer 16

The variable that is given the value of an argument when a function is called.

Question 17

Parameter Scope

Answer 17

The function in which the parameter is used.

Question 18

Passed by Position

Answer 18

The first parameter gets the value of the first argument and the second parameter gets the value of the second argument.

Question 19

Global Variable

Answer 19

Created by assignment statement written outside all the functions.

Question 20

Global Constant

Answer 20

Global name that references a value that cannot be changed.

Question 21

import Statement

Answer 21

Statements that are used to include modules.

Question 22

random

Answer 22

Module is a standard library module that provides functions for generating random numbers and performing operations.

Question 23

return Statement

Answer 23

Statement used within a function to specify the value that the function should produce as a result when it’s called.

Question 24

None

Answer 24

Constant that represents the absence of a value or a null value.

Question 25

math

Answer 25

Module that provides a wide range of mathematical functions and constants for performing various mathematical operations.

Question 26

math.pi

Answer 26

Represents the mathematical constant π (pi).

Question 27

math.e

Answer 27

Represents the mathematical constant e (Euler’s number).

Question 28

Module

Answer 28

Files that stores functions of the standard library.