What is Flask?
Flask is a lightweight web framework for Python. It is called a "microframework" because it keeps the core simple but allows you to add extensions as needed. With Flask, you can build anything from a simple personal website to a complex REST API.
Flask is a minimal yet powerful web framework that lets you turn Python code into a web application.
Why Flask?
- Easy to learn – very little boilerplate code.
- Flexible – you can add only what you need.
- Great for APIs, small web apps, and prototypes.
- Huge ecosystem of extensions (database, authentication, forms).
Flask vs. Django
- Flask: micro, gives you freedom, more control.
- Django: batteries‑included, comes with everything.
- For beginners, Flask is easier to understand because you build step by step.
Real‑World Analogy
Think of Flask as a toolbox with just the essentials: hammer, screwdriver, wrench. You can build anything, but you decide which tools to pick. Django is like a fully equipped workshop with every tool pre‑installed.
Two Minute Drill
- Flask is a lightweight Python web framework.
- It is minimal but extensible.
- Great for APIs, small apps, and learning web development.
- Unlike Django, Flask gives you more freedom.
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