thehimel / interview-prep

A repository to store the answers of frequently asked interview questions.

interview-prep

A repository to store the answers for frequently asked interview questions.

Frequently Asked Interview Questions for the following roles

• Python Backend Developer
• Python Developer
• Software Engineer (Python)
• Backend Software Engineer (Python)

Python

• Explain the data structures in Python.

• Explain mutable and immutable data structures in Python.

• What are the differences between list and array in Python. Which one is more efficient?

• Explain list and dictionary comprehensions. Does the performance of the program increase if they are used?

• Can a list be used as a key of a dictionary?

• What is magic or dunder methods in Python? List some of them for Python. List some of them for Django.

• What is generators in Python? How to define a generator?

• What are the differences between return and yield? When to use them? Make use of yield to compute factorial(n).

• What are the usages of help() and dir() in Python?

• What is CLI and what are the usages of Python CLI?

• Explain decorators. What are the different ways of defining a decorator. How to define a decorator for classes?

• What is @property? What are the usage of that? When to use that?

• Suppose you are importing 2 libraries, how will you import them? In single line or multiple lines?

• How constructor is used in Python?

• How encapsulation is achieved in Python?

• How abstraction is achieved in Python?

• How polymorphism is achieved in Python?

• How inheritance is achieved in Python? How multiple inheritance is achieved in Python?

• Explain the usages of 'with' keyword in Python?

• How to use ternary operator in Python? What are the benefits of it?

• How to use map and filter in Python?

• How enumerate is used? Why should you use that?

• What is zip and unzip? When to use that? Write the syntax for zip and unzip.

• What is lambda function? When to use that? Give an example.

• How *args and **kwargs are used in Python? Give examples.

• How exceptions are handled in Python? Explain the demerits of using a bare exception.

• What is docstring in Python? What are the benefits of it?

• Explain concurrency in Python.

• What are the differences between thread and process? How to declare them in Python?

• How multi-processing is achieved in Python?

• How multi-threading is achieved in Python?

• What is the Global Interpreter Lock (GIL) in Python? How to deal with GIL?

• What are the differences between synchronous and asynchronous programming?

• How to achieve asynchronous programming in Python?

• How to use asyncio in Python?

• How cache and session are managed in Python?

• Can session be stored in both client and server sides?

Answers for most of the questions:

• https://book.pythontips.com/en/latest/

Personality Tests

• How to Pass Personality Tests - CareerVidz