Web Application Framework or simply Web Framework represents a collection of libraries and modules that enables a web application developer to write applications without having to bother about low-level details such as protocols, thread management etc.
Web Server Gateway Interface (WSGI) has been adopted as a standard for Python web application development. WSGI is a specification for a universal interface between the web server and the web applications.
It is a WSGI toolkit, which implements requests, response objects, and other utility functions. This enables building a web framework on top of it. The Flask framework uses Werkzeug as one of its bases.
jinja2 is a popular templating engine for Python. A web templating system combines a template with a certain data source to render dynamic web pages.
Flask is a web framework written in Python. Flask works on Werkzeug toolkit and Jinja2 template engine. Flask provides all kind of databases like Flask, MongoDB, Redis, etc. Flask is used for web development. Hire flask developer for your project now. Flask can be developed with Windows, Linux, Ubuntu, and Mac.