36 interview questions on Python for developers (2025)

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Antoine Brennerat Dec 2, 2021

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nested lists

El Mehdiat Sep 4, 2023

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list comprehension

Antoine Brennerat Dec 2, 2021

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Antoine Brennerat Dec 2, 2021

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Antoine Brennerat Dec 2, 2021

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list comprehension

Mikaelat Mar 28, 2023

36 interview questions on Pythonfor developers (2025)

Test your technical skills before an interview of Python with 36 corrected questions. Beginner, Intermediate or Expert level.

36 interview questions on Pythonfor developers (2025)

Test your technical skills before an interview of Python with 36 corrected questions. Beginner, Intermediate or Expert level.

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

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

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

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()) ```

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

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.

Create a list of 10 elements in Python

Write a Python code that will wait for 40 seconds.

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

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

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

Explain the use of super in Python

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

What can we see about the variable "x"in this code?

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()) ```