--description--

To pass the quiz, you must correctly answer at least 18 of the 20 questions below.

--quizzes--

--quiz--

--question--

--text--

What is a dictionary?

--distractors--

A data structure that only holds strings and lists.

A data structure that is a collection of key-value pairs that only accept large numbers.

A data structure that only holds a collection of tuples.

--answer--

A data structure that is a collection of key-value pairs.

--question--

--text--

Which of the following is the correct syntax for a dictionary?

--distractors--

dictionary = {
    <key1: value1>,
    <key2: value2>
}

dictionary = {
    (key1: value1),
    (key2: value2)
}

dictionary = {
    [key1: value1],
    [key2: value2]
}

--answer--

dictionary = {
    key1: value1,
    key2: value2
}

--question--

--text--

Which of the following is true about dictionaries?

--distractors--

Keys must be at least two characters in length.

Keys must include a special symbol.

Keys must include at least one number.

--answer--

Keys must be unique.

--question--

--text--

Which of the following constructors can be used to create a dictionary?

--distractors--

diction()

dic()

dictionary()

--answer--

dict()

--question--

--text--

Which of the following is the correct way to access a value from a dictionary?

--distractors--

dictionary<key>

dictionary/key/

dictionary{key}

--answer--

dictionary[key]

--question--

--text--

Which of the following is the correct way to update a value in a dictionary?

--distractors--

pizza['name'] >> 'Margherita'

pizza['name'] << 'Margherita'

pizza['name'] == 'Margherita'

--answer--

pizza['name'] = 'Margherita'

--question--

--text--

Which of the following methods can be used to retrieve a value associated with a key?

--distractors--

access()

set()

retrieve()

--answer--

get()

--question--

--text--

What is a view object?

--distractors--

A special object used to turn strings into dictionaries.

A way to view the content of a dictionary only if the dictionary has two or more key-value pairs.

A special object used to turn lists into dictionaries.

--answer--

A way to see the content of a dictionary without creating a separate copy of the data.

--question--

--text--

Which of the following methods returns a view object with all the key-value pairs in the dictionary?

--distractors--

lists()

dictionaries()

collections()

--answer--

items()

--question--

--text--

Which of the following methods removes all of the key-value pairs from the dictionary?

--distractors--

empty()

replace()

remove()

--answer--

clear()

--question--

--text--

What will be the output for the following code?

products = {
    'Laptop': 990,
    'Smartphone': 600,
    'Tablet': 250,
    'Headphones': 70,
}

for product in products.items():
    print(product)

--distractors--

<'Laptop', 990>
<'Smartphone', 600>
<'Tablet', 250>
<'Headphones', 70>

'Laptop', 990
'Smartphone', 600
'Tablet', 250
'Headphones', 70

['Laptop', 990]
['Smartphone', 600]
['Tablet', 250]
['Headphones', 70]

--answer--

('Laptop', 990)
('Smartphone', 600)
('Tablet', 250)
('Headphones', 70)

--question--

--text--

Which of the following is true about sets?

--distractors--

Sets are mutable and ordered in reverse.

Sets are mutable and ordered.

Sets are immutable and unordered.

--answer--

Sets are mutable and unordered.

--question--

--text--

Which of the following is the correct way to create a set?

--distractors--

my_set = (1, 2, 3, 4, 5)

my_set = <1, 2, 3, 4, 5>

my_set = [1, 2, 3, 4, 5]

--answer--

my_set = {1, 2, 3, 4, 5}

--question--

--text--

Which of the following functions is used to create an empty set?

--distractors--

create_set()

empty_set()

sets()

--answer--

set()

--question--

--text--

What will be output to the terminal?

my_set = {1, 2, 3, 4, 5, 6}
my_set.add(5)

print(my_set)

--distractors--

SyntaxError

RangeError

{1, 2, 3, 4, 5, 5, 6}

--answer--

{1, 2, 3, 4, 5, 6}

--question--

--text--

Which of the following methods checks if a set is a subset?

--distractors--

issub()

isset()

subset()

--answer--

issubset()

--question--

--text--

Which of the following methods checks if two sets are disjoint?

--distractors--

joint()

isjoint()

disjoint()

--answer--

isdisjoint()

--question--

--text--

What does the symmetric difference operator(^) do?

--distractors--

It returns a new set with only the elements that the sets have in common.

It finds the difference between the sets and updates the first set with that result.

It returns a new set with the elements of the first set that are not in the other set.

--answer--

It returns a new set with the elements that are either in the first or the second set, but not both.

--question--

--text--

Which of the following built-in modules is used for generating random numbers?

--distractors--

set_random

get_random

rand

--answer--

random

--question--

--text--

Which of the following modules is used for working with regular expressions?

--distractors--

regex

reg

r

--answer--

re