To memoize a function in Python, we can use a utility supplied ... with Python’s interpreter at a low level. Any calls that return a result from the cache don’t even generate a new stack ...

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 ...

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 ...