Flask Interview Questions and Answers

Ques 1. What is Flask?

Flask is a Python-based framework that builds web applications. The interface is mostly based on HTTP, REST, GraphQL, or Websockets. This framework is based on the Jinja2 templates engine and WSGI web application library. The creator, Armin Ronacher, developed it for the Pallets project initially.

Ques 2. Is Flask an open-source framework?

Yes, Flask is an open-source framework.

Ques 3. Why do we use the Flask framework in web application development?

Flask framework is based on the Python programming language. It has a quick microframework based on prototyping web and networking applications to execute the code faster. We can use Flask in the below-mentioned cases:

1. When we need to develop an API or ML Model.
2. To control security camera by API abstraction.
3. When we need to work on no-SQL like DynamoDB.
4. When we need to do ElasticSearch.
5. When we need to prepare a microservice adapter to translate SOAP API into JSON.

Ques 4. How can we download the Flask development version?

We can get the Flask development version by using the given below command:

git clone https://github.com/pallets/flask
cd flask && python3 setup.py develop

Ques 5. How to install Flask in Linux?

You can install Flask in a Linux environment using Python package manager, pip.