Async Python Patterns skill: what it does and how to install it

What it does. Explains when to choose asynchronous Python and how to use asyncio, coroutines, tasks and futures. Shows patterns for concurrent work, errors, timeouts, cancellation, resource handling and testing, with examples and further details.

When to use it. For async APIs, concurrent I/O, background tasks and other I/O-bound applications. It recommends synchronous code for simple scripts and multiprocessing or thread pools for CPU-bound work.