45 interview questions on Python - Fundamentals for developers (2026)

Easy

43 votes2248 runs1 comment

Write a Python function that returns the factorial of a number.

Back-end developer

recursion

Vincent Cotroat Mar 28, 2023

Hard

27 votes2617 runs

1 comment

Write a Python function that prints the elements of a list.

Back-end developer

list

for loop

Anonymous authorat Mar 28, 2022

Medium

12 votes2376 runs0 comment

Use the zip() function to iterate over two lists in parallel.

Back-end developer

list

zip

Anonymous authorat Mar 28, 2022

Easy

11 votes2343 runs0 comment

What type is `function_a` in the following code ?

Back-end developer

functions

decorators

Anonymous authorat Mar 28, 2022

Medium

9 votes2661 runs

2 comments

Start a HTTP server from the CLI with python

Back-end developer

cli

http

Anonymous authorat Jan 23, 2023

Expert

8 votes2210 runs0 comment

Find the word 'lazy' in a sentence using Python

Back-end developer

regex

python

Anonymous authorat Mar 28, 2022

Hard

6 votes2366 runs0 comment

What is the difference between the `repr()` and `str()` methods in Python?

Back-end developer

methods

python

Anonymous authorat Mar 28, 2022

Medium

6 votes2223 runs0 comment

What do `a^b`, `a|b` and `a-b` respectively represent in Python ?

Back-end developer

sets

union

difference

Anonymous authorat Mar 28, 2022

Hard

6 votes2193 runs

2 comments

Write a Python function that returns a list of numbers divisible by 3 from 0 to 9.

Back-end developer

list

filter

Anonymous authorat Mar 28, 2022

Easy

6 votes1067 runs

1 comment

What will be the result of the following code?

Back-end developer

Anonymous authorat Jun 26, 2024

Easy

5 votes1037 runs0 comment

Convert a list of tuples into a dictionary in Python

Back-end developer

Anonymous authorat Jun 26, 2024

Hard

4 votes2229 runs0 comment

Print the elements of a list using an iterator in Python

Back-end developer

iterators

lists

Anonymous authorat Mar 28, 2022

Hard

4 votes2211 runs1 comment

Which of these modules are able to convert data ?

Back-end developer

modules

data

Anonymous authorat Mar 28, 2022

Easy

4 votes2061 runs0 comment

Read a file in Python

Back-end developer

file

list

Anonymous authorat Mar 28, 2022

Easy

4 votes1539 runs0 comment

Find the most common elements of a list in Python

Back-end developer

python

collections

Anonymous authorat Mar 28, 2022

Medium

4 votes1079 runs0 comment

What are the advantages of the `deque` type in the `collections` module?

Back-end developer

python

collections

deque

Anonymous authorat Mar 28, 2022

Medium

3 votes2208 runs

1 comment

What is the `numpy` for ?

Back-end developer

numpy

arrays

Anonymous authorat Mar 28, 2022

Easy

3 votes2012 runs0 comment

How to retrieve arguments given through the command line interface in Python

Back-end developer

command line

arguments

Anonymous authorat Mar 28, 2022

Easy

3 votes189 runs0 comment

Which function returns `False` if and only if all elements of a given iterable are `False` ?

Back-end developer

functions

boolean

Anonymous authorat Mar 28, 2022

Easy

2 votes630 runs0 comment

Print the value of a variable in a function in Python

Back-end developer

functions

scope

Anonymous authorat Mar 28, 2022

45 interview questions on Python - Fundamentalsfor developers (2026)

Test your technical skills before an interview of Python - Fundamentals with 45 corrected questions. Beginner, Intermediate or Expert level.

Write a Python function that returns the factorial of a number.

Write a Python function that prints the elements of a list.

Use the zip() function to iterate over two lists in parallel.

What type is `function_a` in the following code ?

Start a HTTP server from the CLI with python

Find the word 'lazy' in a sentence using Python

What is the difference between the `repr()` and `str()` methods in Python?

What do `a^b`, `a|b` and `a-b` respectively represent in Python ?

Write a Python function that returns a list of numbers divisible by 3 from 0 to 9.

What will be the result of the following code?

Convert a list of tuples into a dictionary in Python

Print the elements of a list using an iterator in Python

Which of these modules are able to convert data ?

Read a file in Python

Find the most common elements of a list in Python

What are the advantages of the `deque` type in the `collections` module?

What is the `numpy` for ?

How to retrieve arguments given through the command line interface in Python

Which function returns `False` if and only if all elements of a given iterable are `False` ?

Print the value of a variable in a function in Python

45 interview questions on Python - Fundamentalsfor developers (2026)

Test your technical skills before an interview of Python - Fundamentals with 45 corrected questions. Beginner, Intermediate or Expert level.

Write a Python function that returns the factorial of a number.

Write a Python function that prints the elements of a list.

Use the zip() function to iterate over two lists in parallel.

What type is `function_a` in the following code ?

Start a HTTP server from the CLI with python

Find the word 'lazy' in a sentence using Python

What is the difference between the `__repr__()` and `__str__()` methods in Python?

What do `a^b`, `a|b` and `a-b` respectively represent in Python ?

Write a Python function that returns a list of numbers divisible by 3 from 0 to 9.

What will be the result of the following code?

Convert a list of tuples into a dictionary in Python

Print the elements of a list using an iterator in Python

Which of these modules are able to convert data ?

Read a file in Python

Find the most common elements of a list in Python

What are the advantages of the `deque` type in the `collections` module?

What is the `numpy` for ?

How to retrieve arguments given through the command line interface in Python

Which function returns `False` if and only if all elements of a given iterable are `False` ?

Print the value of a variable in a function in Python

What is the difference between the `repr()` and `str()` methods in Python?