Top Flask Interview Questions and Answers (2024)

Last Updated : 03 Sep, 2024 - prepared by name

Flask is a micro web development framework based on Python. It is minimalistic and used to develop small—to medium-sized applications. Due to its lightweight and flexible nature, Flask allows developers to create simple yet powerful web applications and APIs, but it does not include many built-in features found in frameworks like Django.

Go through some Flask interview questions and answers below to increase your knowledge about the framework and ace your job interview.

1. What is the Flask Framework?

  • Flask is a lightweight microframework written in Python

  • It was developed by Armin Ronacher in 2010.

  • The Flask framework is flexible and eazy to use, emphasizing simplicity and minimalism.

  • Flask is better suited for small projects.

  • Flask is based on the WSGI (Web Server Gateway Interface) toolkit and jinja2 template engine.

2. What is the use of Python Flask?

Python Flask is used for creating APIs, wiki-like platforms, or Blog

3. What are the key features of Flask Framework?

  • Flask is lightweight, flexible, and eazy to use.

  • Support for routing and templating

  • Web development tools.

  • Restful request dispatching

  • Google App Engine Compatibility

  • It supports secure cookies (i.e., client-side sessions)

  • It is based on Unicode

  • Python Flask is extensively documented

  • Integrated support for unit testing

  • WSGI 1.0 complaint feature

  • Comes with Jinja2 templating technique

4. Why Python is called an Interpreted Programming Language?

  • Faster to run (Because the instructions are executed directly and line by line)

  • Supports dynamic typing

  • Python is compiled as well as interpreted

  • Python doesn't need separate compilation (like C or C++)

  • When an error in Python code is encountered, it stops. So it is easier to debug

5. What is the difference between Flask and Django?

Flask is a lightweight micro-framework that emphasizes simplicity and minimalism. Django is a full-stack web framework that comes with built-in components for routing, templating, ORM, and more.

Flask is suited for smaller projects. While Django is suited for complex and larger projects.

6. What is WSGI?

WSGI (Web server gateway Interface) is a specification that describes how web applications can be chained together to process one request or how a web server communicates with web applications.

Challenge Yourself: Take the Ultimate Quiz!

1. Which CSS property is used to change text color?

2. Which language is used for web development?

3. What does HTML stand for?

Add Your Comment
Login to Post Your Comment
User Avatar
John Doe
This is a sample comment. The design is very clean and easy to use. I love it!
User Avatar
Jane Smith
Great layout! This will work perfectly for my project. Thanks for sharing!
User Avatar
Alice Johnson
I really like this comment section. It's simple and effective.