20-Question quiz on Data Structures in Python

Data Structures in Python Quiz

Covers the various data structures available in Python, including lists, tuples, dictionaries, sets, and their respective methods.

1 / 20

Which data structure is typically used to implement recursion in programming?

Queue

Stack

Tree

Graph

2 / 20

In a binary search tree, what is the maximum number of children a node can have?

1

2

3

Unlimited

3 / 20

Which module provides support for implementing linked lists in Python?

collections

linkedlist

list

There is no built-in module; you need to implement it manually

4 / 20

What is the output of the following code?

lst = [1, 2, 3, 4]

print(lst[-1])

1

2

3

4

5 / 20

Which of the following best describes a dictionary in Python?

An ordered collection of items

An unordered collection of key-value pairs

A mutable ordered collection

A collection of unique elements

6 / 20

How do you create a set in Python?

set = [1, 2, 3]

set = (1, 2, 3)

set = {1, 2, 3}

set = "123"

7 / 20

Which of the following is not a built-in data structure in Python?

List

Linked List

Tuple

Dictionary

8 / 20

What will the following code output?

deque(['a', 'b'])

deque(['b'])

deque(['a'])

deque([])

9 / 20

Which method can be used to combine two dictionaries in Python 3.9 and above?

merge()

combine()

update()

| operator

10 / 20

What is the primary difference between a list and a tuple in Python?

Lists are immutable, tuples are mutable

Lists are mutable, tuples are immutable

Lists can contain duplicate elements, tuples cannot

There is no difference

11 / 20

In Python, which data structure would you use to implement a graph?

List of lists

Dictionary of lists

Adjacency matrix

All of the above

12 / 20

Which of the following methods removes and returns an arbitrary element from a set in Python?

remove()

discard()

pop()

clear()

13 / 20

What will be the output of the following code?

(1, 4, 3)

(1, 2, 3, 4)

Error

None

14 / 20

Which of the following is a key characteristic of a stack data structure?

Random access

LIFO (Last-In-First-Out)

FIFO (First-In-First-Out)

No particular order

15 / 20

How do you create an empty dictionary in Python?

[]

{}

()

set()

16 / 20

Which data structure in Python uses FIFO (First-In-First-Out) principle?

Stack

Queue

Dictionary

Set

17 / 20

What will be the output of the following code?

my_set = {1, 2, 3}

my_set.add(2)

print(len(my_set))

2

3

4

Error

18 / 20

Which method is used to add an element to the end of a Python list?

append()

add()

insert()

extend()

19 / 20

What is the time complexity of accessing an element by index in a Python list?

O(1)

O(n)

O(log n)

O(n²)

20 / 20

Which of the following is an immutable data structure in Python?

List

Dictionary

Tuple

Set

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