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Section 5.14 Multiple Choice Questions

Activity 5.14.1.

What will be printed when the following code executes? 
def test(a, b = 5):
    print(a, b)

test(-3)
  • a, b
  • It will print the value of a and b.
  • -3, b
  • It will print -3 and the value of b.
  • a, 5
  • It will print the value of a and 5.
  • -3, 5
  • It looks like it will print this, but it will actually print the values with a space between them.
  • -3 5
  • It prints the values of a and b with a space between them. The default value of b is 5.

Activity 5.14.2.

What will the following Python program print out? (Given that each word will actually print on a new line) 
def fred():
    print("Zap")

def jane():
    print("ABC")

jane()
fred()
jane()
  • Zap ABC jane fred jane
  • Incorrect! This code will only print the strings "Zap" or "ABC", not "jane" or "fred". Try again.
  • Zap ABC Zap
  • Incorrect! This would be correct if the call was fred() jane() fred(). Try again.
  • ABC Zap jane
  • Incorrect! This code will only print the strings "Zap" or "ABC", not "jane" or "fred". Try again.
  • ABC Zap ABC
  • Correct! jane() fred() jane() will print ABC Zap ABC.
  • Zap Zap Zap
  • Incorrect! This would be correct if the call was fred() fred() fred(). Try again.

Activity 5.14.3.

What value is printed when the following code is executed? 
name = "Jane Doe"
def myFunction(parameter):
    value = "First"
    value = parameter
    print (value)

myFunction("Second")
  • value
  • Incorrect! "value" is the name of a variable. This code will print what "value" is assigned to. Try again.
  • Second
  • Correct! "value" is assigned to the value of parameter which is "Second", so that’s what will print.
  • parameter
  • Incorrect! "parameter" is equal to the function call’s argument. Try again.
  • First
  • Incorrect! Although the variable value is assigned to "First" initially, it is then reassigned to be equal to the parameter. Try again.
  • Jane Doe
  • Incorrect! The "name" variable is unused in the function call, so it does not affect what is printed. Try again.

Activity 5.14.4.

A named sequence of statements is known as which of the following?
  • definition
  • Incorrect! A definition is used to create functions. Try again.
  • method
  • Incorrect! A method is a function that is defined in a class.
  • turtle
  • Incorrect! "turtle" is a specific Python module that lets you draw lines and shapes. Try again.
  • module
  • Incorrect! A module is a file that contains Python statements and definitions. Try again.
  • function
  • Correct! A function is a named sequence of statements in Python.

Activity 5.14.5.

What will the following code print? 
def pow(b, p):
    y = b ** p
    return y

def square(x):
    a = pow(x, 2)
    return a

n = 5
result = square(n)
print(result)
  • 5
  • This would be true if it first printed the value of x.
  • 10
  • This would be true if it printed 5 * 2 but it is 5 ** 2 which is 5 * 5.
  • 25
  • It prints the value of 5 raised to the 2nd power which is 5 * 5 = 25.
  • 32
  • This would be true if it was 2 raised to the 5th power (2 * 2 * 2 * 2 * 2) = 32.
  • 3125
  • This would be ture if it was 5 raised to the 5th power (5 * 5 * 5 * 5 * 5) = 3125.

Activity 5.14.6.

Consider the following Python code. What does this code print? 
def rem(a, b):
    return a % b

print(rem(3,7))
  • 0
  • This would be true if it was rem(3,3). The value 3 would go into 3 one time with 0 remainder.
  • 3
  • The value 7 goes into 3 zero times, so the remainder is 3.
  • 7
  • How many times does 7 go evenly into 3 and what is the remainder?
  • 1
  • This would be true if it was rem(7,3)

Activity 5.14.7.

Which of the following would NOT work as a variable name?
  • a
  • Incorrect! a is a valid variable name. Try again.
  • len
  • Correct! This would not work as a variable name because it is already reserved as a built-in function name.
  • length
  • Incorrect! length would work as a variable because it is not a reserved word or a built-in function. Try again.
  • x
  • Incorrect! x is a valid variable name. Try again.

Activity 5.14.8.

Consider the code below. What prints? 
print(int(33.7))
  • 34.0
  • Incorrect! The int function converts a floating point number to an integer. Try again.
  • 34
  • Incorrect! The int function does not round up. Try again.
  • 33.70
  • Incorrect! The int function converts a floating point number to an integer. Try again.
  • 33
  • Correct! The int function always truncates floating point numbers.

Activity 5.14.9.

Consider the code below. Line 1 is called… 
def printWeather():
    print("It is sunny!")
  • the function header
  • Correct! The first line of a function definition is the header.
  • the function body
  • Incorrect! Everything but the first line of a function definition is the function body. Try again.
  • the function definition
  • Incorrect! Lines 1 and 2 collectively are the function definition. Try again.
  • the function named
  • Incorrect! The name is printWeather.

Activity 5.14.10.

Consider the code block below. What happens when you run this program? 
repeat_lyrics()

def repeat_lyrics():
    print_lyrics()
    print_lyrics()

def print_lyrics():
    print("I'm a lumberjack, and I'm okay.")
    print('I sleep all night and I work all day.')
  • The lyrics print like normal.
  • Incorrect! An error occurs when you call a function before it is defined. Try again.
  • We get a TypeError.
  • Incorrect! This will not cause a TypeError because there is not an issue with the variable types. Try again.
  • We get a NameError.
  • Correct! You get a NameError when you call a function before it is defined.
  • The program compiles but nothing prints.
  • Incorrect! This program will not compile. Try again.
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