Annotations in Python came late to the party; they were introduced in Python 3 as a way to attach information to functions describing their arguments and return values. While that mechanism had ...

Proposals have turned into major language changes for Java lately, and Python is poised to follow suit. Programmer Guido van Rossum, author of the Python programming language, published a proposal on ...

The `argh` argument parsing libary uses function argument annotations as per-argument documentation when generating the help output. Maybe there are some other "minor" uses in the ecosystem.

There are moves to bring strong typing into Python and it isn’t a bad idea, but you need to understand type and its role in programming to make good use of it, or to decide if it is essential or ...

So far we have been focusing on the idea of type as specifying the methods that are available and operations that can be applied. There is another more complex aspect of type. Some objects have ...