40 interview questions on Python for developers (2025)

8 votes2228 runs

Antoine Brennerat Dec 2, 2021

5 votes2231 runs0 comment

Antoine Brennerat Dec 2, 2021

5 votes2231 runs

Antoine Brennerat Dec 2, 2021

5 votes2226 runs0 comment

Antoine Brennerat Dec 2, 2021

5 votes301 runs0 comment

nested lists

El Mehdiat Sep 4, 2023

4 votes2248 runs

list comprehension

Antoine Brennerat Dec 2, 2021

4 votes2230 runs

Antoine Brennerat Dec 2, 2021

4 votes2229 runs0 comment

Antoine Brennerat Dec 2, 2021

4 votes2228 runs0 comment

Antoine Brennerat Dec 2, 2021

4 votes2216 runs0 comment

Antoine Brennerat Dec 2, 2021

4 votes1318 runs

4 votes499 runs0 comment

3 votes2219 runs

Antoine Brennerat Dec 2, 2021

3 votes2201 runs2 comments

2 votes2265 runs0 comment

Antoine Brennerat Dec 2, 2021

2 votes2212 runs1 comment

2 votes2197 runs1 comment

Antoine Brennerat Dec 2, 2021

1 vote2267 runs

Antoine Brennerat Dec 2, 2021

1 vote2249 runs

Antoine Brennerat Dec 2, 2021

1 vote2238 runs

Antoine Brennerat Dec 2, 2021

40 interview questions on Pythonfor developers (2025)

Test your technical skills before an interview of Python with 40 corrected questions. Beginner, Intermediate or Expert level.

40 interview questions on Pythonfor developers (2025)

Test your technical skills before an interview of Python with 40 corrected questions. Beginner, Intermediate or Expert level.

Why is the output of the following code undefined? ``` def f(n): return n + 1 f(n) ```

In Python, what is the output of the following code? `valueA = 10; valueB = 10; valueA is valueB`

Write a Python program to open a file in binary mode and write a string to it.

What is the output of the following code? ``` import asyncio async def read_data(): with open('data.txt', 'r') as f: data = f.read() return data async def main(): data = await read_data() print(data) if __name__ == '__main__': asyncio.run(main()) ```

Change the value of a nested list element in Python

Write a Python function that returns a list of the first n numbers of the Fibonacci sequence.

Write a Python code that will wait for 40 seconds.

Create a list of 10 elements in Python

What is the output of the following Python code? ``` G = '123' print(G + 1) ```

Python: Decorator that prevents the creation of an instance of a class

In Python, which of the following statements are true about the keyword 'with':

Write a Python class with a method that takes two arguments.

Explain the use of super in Python

Write a Python function that returns a copy of anotherlist with number appended to the end.

What is the output of the following code? ``` print("\u0041") ```

Write a Python function that returns the sum of the first n integers.

Define a class method in Python

What is the output of the following code? ``` def f(x): if x == 0: return 1 else: return f(x - 1) + f(x - 2) print(f(3)) ```

What is the value of valueA after the following code is executed? ``` valueA = 10 valueB = 20 valueA = valueB ```

Write a Python code that returns the first element of a list if the list is not empty, otherwise return None.

What is the output of the following code? ``` import asyncio async def read_data(): with open('data.txt', 'r') as f: data = f.read() return data async def main(): data = await read_data() print(data) if name == 'main': asyncio.run(main()) ```