To memoize a function in Python, we can use a utility ... def sin_half(x): return sin(x)/2 This caches a maximum of 360 possible values for x, and their corresponding responses.

The one place they are pretty convenient is in languages (like Python) where multiple return values from one function can be used as multiple input parameters to another. But, the use-cases where ...

rather than just a return type. This is useful as a way to add precise type checker coverage to those functions. Python 3.11 identified a slew of Python standard library modules that were obsolete ...