@pyohio Might want to convert the lists to sets for faster lookups.
@mpirnatMike Pirnat True, but "He's instantiating an immutable data structure, he's verifying it redundantly..." doesn't quite have the same ring to it π
If you have a fediverse account, you can quote this note from your own instance. Search https://fosstodon.org/users/pyohio/statuses/115770004524250955 on your instance and quote it. (Note that quoting is not supported in Mastodon.)