Learn how to use asynchronous programming in Python 3.13 and higher ... then switch between active connections as they return results. If one connection isn’t returning results, switch to ...

Python 3.14 has a new feature called the template string, or t-string, type. A t-string superficially resembles an f-string, but it’s designed to do something very different. Instead of just ...

including inner functions and Python's scoping rules. I do, however, want to ask the question "how can you use Mypy to check all of this?" from typing import Callable def foo(x: int) -> Callable: def ...