> in most cases a slice(,) will do it since the relevant id is at a fixed position in the URL. In all cases that also involves actually finding the URLs, then

> in most cases a slice(,) will do it since the relevant id is at a fixed position in the URL. In all cases that also involves actually finding the URLs, then there are non-most cases where a slice wouldn't do it. > Nowadays I use exactly 0 Exactly. If you ignore actual uses everything becomes trivial