What is a view in Django?

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In Django, a view is a Python function or class that handles a web request and returns a web response. It acts as the bridge between the user’s request and the data/models, controlling what content gets displayed on a webpage.

Key points about Django views:

• Purpose:
  A view processes incoming HTTP requests, interacts with data (via models if needed), and returns an HTTP response — usually an HTML page, JSON, redirect, or error message.

• Function-based Views:
  Simple Python functions that take a request object as an argument and return a response object.

• Class-based Views:
  Provide more structure and reusable behavior by defining views as Python classes. Django offers built-in generic views for common tasks like displaying lists or handling forms.

• How views fit in the request cycle:
  When a user accesses a URL, Django’s URL dispatcher routes the request to the corresponding view function/class. The view executes, prepares the data, and sends back a response.

• Interaction with templates:
  Views often retrieve data from models and pass it to templates, which render the final HTML for the user.

Summary:

A view in Django is where the core logic of handling requests lives — it decides what data to show and how to present it, acting as the controller in the MVC pattern (though Django calls it a view).

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