What does the “at” (@) symbol do in Python?

An @ symbol at the beginning of a line is used for class, function and method decorators. Read more here: PEP 318: Decorators Python Decorators The most common Python decorators you’ll run into are: @property @classmethod @staticmethod If you see an @ in the middle of a line, that’s a different thing, matrix multiplication. See this answer showing the use of @ as … Read more

How does the @property decorator work in Python?

The property() function returns a special descriptor object: It is this object that has extra methods: These act as decorators too. They return a new property object: that is a copy of the old object, but with one of the functions replaced. Remember, that the @decorator syntax is just syntactic sugar; the syntax: really means the same thing as so foo the function is replaced … Read more