What are Django models, views, and templates (MVT)?

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In Django, the Model-View-Template (MVT) architecture is used to structure web applications efficiently:

  1. Models: These define the data structure. A model is a Python class that maps to a database table. It defines the fields and behaviors of the data you’re storing. Django provides an Object-Relational Mapper (ORM) to interact with the database using Python code instead of SQL. For example, a Book model might have fields like title, author, and published_date.

  2. Views: Views contain the business logic. A view is a Python function or class that receives web requests and returns web responses. It accesses data via models and delegates the presentation to templates. For instance, a view might retrieve a list of books from the database and send it to the template for rendering.

  3. Templates: Templates handle the presentation layer. They are HTML files with placeholders for dynamic data. Templates display data passed from the view using Django’s template language, allowing logic like loops and conditionals while keeping the design separate from business logic.

The MVT pattern helps keep code modular and maintainable. When a user makes a request, Django uses a URLconf to route it to the appropriate view, which may use models to retrieve data and then render a response using a template.

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