Summary  
This chapter introduces the Flask microframework, showing how to define URL routes with decorators, map them to view functions, and return responses as part of the request-response cycle.  

General domain of usage  
Web development

This course introduces beginners to Python Flask, covering the fundamentals of the Flask framework and guiding you through the process of setting up your first web application. Learn how to create routes, handle requests, and build a simple, functional Flask app from scratch.

Understand what Flask is, its role in web development, and why it is a great choice for beginners. Overview of Flask's core features and how it compares to other web frameworks.

Dive deeper into Flask routing by learning how to handle different URLs, use dynamic routes, and generate URLs within your application.

Explore how to process user input via GET and POST methods, access form data, and manage request and response objects in Flask.

Introduction to Flask's templating engine, Jinja2. Learn how to create dynamic HTML pages using templates, template inheritance, and passing data from Flask to templates.

Apply the concepts learned by building a small, functional Flask web application from scratch, integrating routing, request handling, and templates.