What is Flask?

 What is Flask?

Flask is a web framework that allows developers to build lightweight web applications quickly and easily with Flask Libraries. It was developed by Armin Ronacher, leader of the International Group of Python Enthusiasts(POCCO). It is basically based on the WSGI toolkit and Jinja2 templating engine.

What is WSGI?

WSGI is an acronym for web server gateway interface which is a standard for Python web framework flask application development. It is considered the specification for the universal interface between the web server and web application.

What is Jinja2?

Jinja2 is a web template engine that combines a template with a certain data source to render dynamic web pages. In Easy Language, It combines a template (the layout of the page) with data (the specific information you want to show) to create a dynamic web page.

                        🧑‍💻FAQs on Flask 

Q1. Should I learn HTML for Flask?

Answer:

Both are highly recommended in case you are learning to develop web applications.

Q2. Is Flask open source?

Answer:

Yes, Flask and Django both are Free Open Source, Python-based web frameworks that are used for building web applications.

Q3. How do I start a Flask project?

Answer:

Here’s a simplified version of the steps to start a Flask project:

Install Python.

Install Flask by running “pip install flask” in the terminal or command prompt.

Create a virtual environment by running “python -m venv myenv”.

Activate the virtual environment by running “myenv\Scripts\activate.bat” on Windows or “source myenv/bin/activate” on macOS or Linux.

Create a Flask app by importing Flask and creating a new instance of the Flask class.

Define routes by decorating a function with “@app.route(‘/myurl’)” and defining the function to return data or HTML.

Run the app by running “flask run” in the terminal or command prompt.

Q4. What is the default port of Flask?

Answer:

By default, many Flask applications run on port 5000.

Q5. Which company uses Flask?

Answer:

There are many major companies employing Flask and that list includes Netflix, Reddit, Airbnb, Lyft, Mozilla, MIT, Uber, Red Hat, Rackspace, Mailgun, Patreon, Samsung, NGINX, 2market, B2W, and Sieve.

Q6. What is the salary of a Flask Developer in India?

Answer:

As per various resources, the average Salary of a Flask Developer was ranging between 9,00,000 INR – 11,00,000 INR depending upon the experience and skills.

Credits to GeeksforGeeks 

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