Getting Started with Flask: A Lightweight Web Framework for Python

Flask is one of the most popular Python web frameworks, especially for developers who want simplicity, flexibility, and full control over their applications. Whether you’re building a small web app, a REST API, or serving a machine learning model, Flask provides everything you need without unnecessary complexity. In this post, I’ll explain what Flask is, why it’s useful, and how it fits into real-world Python projects. What Is Flask? Flask is a lightweight web framework written in Python. It is often described as a microframework because it provides the essentials needed to build web applications, while leaving decisions about structure and tools to the developer. Flask handles: Routing (URLs and endpoints) HTTP requests and responses Templating (with Jinja2) Development server and debugging Everything else is added only when you need it. Why Developers Choose Flask Flask is widely adopted because of its simplicity and flexibility. Ke