How to upload and download files using Flask

How to upload and download files using Flask

Flask is one of the most popular frameworks for backend development. It is a microframework based on the python programming language. Instead, a micro-framework Flask is very powerful and is highly extensible. Since Python is popular for Machine Learning and Data Science, Flask is hugely used to serve Machine Learning and Data Science related apps. In this tutorial, we will learn how to create a file uploader and file downloader using Flask.