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 ...

To memoize a function in Python, we can use a utility supplied in Python’s ... like so: @lru_cache(360) def sin_half(x): return sin(x)/2 This caches a maximum of 360 possible values for x ...