Python @ (at) prefix in top level module code - What does it stand for? [duplicate]

This question already has answers here: Closed 10 years ago.

Possible Duplicate:

What does the @ symbol do in Python

I thought it would be a good idea to as this question 开发者_Go百科here since google outright ignores the @ character in a query.

What does the @ before an earlier declared function name do when used in the top level of a document, multiple times, just before def´s?

Example

As a follow up, is it still present in Python 3?

---

Those are decorators

... and yes they're present in Python 3, see ... Python 3 primer, Part 2: Advanced topics