X doc test is essentially a rerite ofa standard library or utility called doc test. If you have an example in your documentation, here's a way t automatically make sure it's all good. Vasi s, what o you think about services like sink a, sneaks ar s n li, snake to ah checkd dependencies like for security? So you depend on flask. Flass depends on it's dangerous. It's dangerous. Who knows? Theoretically could have some issue like that. Then besity just checks your dependency, so there's there's a curate data base of security vinorabilities and its gong see if you have any dependency and aversion that