Map is a common way to transform lists in most programming languages. In Python, map is a function that loops over a list and applies a function (that you provide) to each item. Your function receives ...

Functions that rely on something outside the function itself (e.g., a network call, or a read from disk) are harder to memoize, though it can still be done.

When using ASGI, you’ll want to use async functions, and async-friendly libraries, as much as possible. It pays to get in the habit of using async, because the problems with using sync-only code ...