Deck 5: Functions

Question 1

Unlike other languages,in Python the number of values a function can return is limited to one.

Answer 1

False

Question 2

In Python there is no restriction on the name of a module file.

Answer 2

False

Question 3

The math function ceil(x)returns the smallest integer that is greater than or equal to x.

Answer 3

True

Question 4

One of the drawbacks of a modularized program is that the only structure you can use in such a program is the sequence structure.

Question 5

One reason to store graphics functions in a module is so that you can import the module into any program that needs to use those functions.

Question 6

The math function atan(x)returns one tangent of x in radians.

Question 7

A hierarchy chart shows all the steps that are taken inside a function.

Question 8

Different functions can have local variables with the same names.

Question 9

The function header marks the beginning of the function definition.

Question 10

In Python you can have a list of variables on the left side of the argument operator.

Question 11

One reason not to use global variables is that it makes a program hard to debug.

Question 12

The value assigned to a global constant can be changed in the mainline logic.

Question 13

Python allows you to pass multiple arguments to a function.

Question 14

Unfortunately,there is no way to store and call on functions when using turtle graphics.

Question 15

Python function names follow the same rules as those for naming variables.

Question 16

A local variable can be accessed from anywhere in the program.

Question 17

To assign a value to a global variable in a function,the global variable must be first declared in the function.

Question 18

A function definition specifies what a function does and causes the function to execute.

Question 19

A value-returning function is like a simple function except that when it finishes it returns a value back to the part of the program that called it.

Question 20

The randrange function returns a randomly selected value from a specific sequence of numbers.

Question 21

A __________ constant is a name that references a value that cannot be changed while the program runs.

A) keyword
B) local
C) global
D) string

Question 22

The Python library functions that are built into the Python __________ can be used by simply calling the required function.

A) code
B) compiler
C) linker
D) interpreter

Question 23

A __________ variable is accessible to all the functions in a program file.

A) keyword
B) local
C) global
D) string

Question 24

Whic of the following will assign a random integer in the range of 1 through 50 to the variable number?

A) random(1, 50) = number
B) number = random.randint(1, 50)
C) randint(1, 50) = number
D) number = random(range(1, 50))

Question 25

What does the following statement mean?
Num1,num2 = get_num()

A) The function get_num() is expected to return a value for num1 and for num2.
B) The function get_num() is expected to return one value and assign it to num1 and num2.
C) This statement will cause a syntax error.
D) The function get_num() will receive the values stored in num1 and num2.

Question 26

A __________ variable is created inside a function.

A) global
B) constant
C) named constant
D) local

Question 27

The __________ design technique can be used to break down an algorithm into functions.

A) subtask
B) block
C) top-down
D) simplification

Question 28

What is a group of statements that exists within a program for the purpose of performing a specific task?

A) a function
B) a subtask
C) a process
D) a subprocess

Question 29

A(n)__________ is any piece of data that is passed into a function when the function is called.

A) global variable
B) argument
C) local variable
D) parameter

Question 30

A(n)__________ is a variable that receives an argument that is passed into a function.

A) global variable
B) argument
C) named constant
D) parameter

Question 31

Which of the following statements causes the interpreter to load the contents of the random module into memory?

A) load random
B) import random
C) upload random
D) download random

Question 32

A set of statements that belong together as a group and contribute to the function definition is known as a

A) header
B) block
C) return
D) parameter

Question 33

A value-returning function is

A) a single statement that performs a specific task
B) called when you want the function to stop
C) a function that will return a value back to the part of the program that called it
D) a function that receives a value when called

Question 34

The __________ of a local variable is the function in which that variable is created.

A) global reach
B) definition
C) space
D) scope

Question 35

A(n)__________ chart is also known as a structured chart.

A) flow
B) data
C) hierarchy
D) organizational

Question 36

The first line in a function definition is known as the function

A) header
B) block
C) return
D) parameter

Question 37

Python comes with __________ functions that have already been prewritten for the programmer.

A) standard
B) library
C) custom
D) key

Question 38

What type of function can be used to determine whether a number is even or odd?

A) even
B) odd
C) math
D) Boolean

Question 39

It is recommended that programmers avoid using __________ variables in a program whenever possible.

A) local
B) global
C) string
D) keyword

Question 40

When a function is called by its name during the execution of a program,then it is

A) executed
B) located
C) defined
D) exported

Question 41

Functions that are in the standard library are stored in files that are known as __________.

Question 42

What will be the output after the following code is executed?

A) 81
B) 64
C) 12
D) None

Question 43

A variable is available only to statements in the variable's __________.

Question 44

To refer to a function in a module,Python uses ___________ notation.

Question 45

What does the following program do?

A) It draws a blue square at coordinates (100, 0), 50 pixels wide, starting at the top right corner.
B) It draws a blue square at coordinates (0, 50), 100 pixels wide, starting at the top right corner.
C) It draws a blue square at coordinates (100, 0), 50 pixels wide, in the lower-left corner.
D) Nothing since you cannot call a function with turtle graphics.

Question 46

The top-down design breaks down the overall task of a program into a series of __________.

Question 47

What will be the output after the following code is executed?

A) Tony Gaddis
B) Gaddis Tony
C) Tony, Gaddis
D) Gaddis, Tony

Question 48

What does the following program do?

A) It draws a blue square.
B) It draws a blue triangle.
C) It draws 2 blue lines.
D) Nothing since you cannot call a function with turtle graphics.

Question 49

What will display after the following code is executed?
Def main():
Print("The answer is",magic(5))
Def magic(num):
Answer = num + 2 * 10
Return answer
Main()

A) 70
B) 25
C) 100
D) The statement will cause a syntax error.

Question 50

The code for a function is known as a function ___________.

Question 51

The main function contains a program's __________ logic which is the overall logic of the program.

Question 52

Arguments are passed by __________ to the corresponding parameter variables in a function.

Question 53

What will be the output after the following code is executed?

A) 4, 8
B) 8, 4
C) 48
D) None

Question 54

The Python standard library's __________ module contains numerous functions that can be used in mathematical calculations.

A) math
B) string
C) random
D) number

Question 55

The function header begins with the keyword __________ and is followed by the name of the function.

Question 56

What will be displayed after the following code is executed?

A) 12
B) 9
C) 14
D) Nothing, this code contains a syntax error.

Question 57

In a flowchart,a function call is depicted by a(n)___________.

Question 58

Which of the following functions returns the largest integer that is less than or equal to its argument?

A) floor
B) ceil
C) lesser
D) greater

Question 59

In a value-returning function,the value of the expression that follows the keyword __________ will be sent back to the part of the program that called the function.

A) def
B) result
C) sent
D) return

Question 60

A(n)__________ chart is a visual representation of the relationships between functions.

Question 61

The approach known as __________ makes a program easier to understand,test,and maintain.

Question 62

The ___________ chart is an effective tool used by programmers to design and document functions.

Question 63

A value-returning function has a(n)___________ statement that sends a value back to the part of the program that called it.

Question 64

The return values of the trigonometric functions in Python are in __________.

Question 65

The 'P' in the acronym IPO refers to ___________.

Question 66

In Python,a module's file name should end in ___________.