Im trying to create a flask web app, the this code will be in python.
Im wondering how sites such as worldle and globle convert a set of 2 countries into a compass direction?
I am looking for a degree of accuracy up to n/nne/ne/nee/e/see/se/sse/s etc. You get the picture.

Havent tried anything yet, looked for apis but couldnt find anything. Cant even begin to try and figure out my own algorithm for this aside from an unnecisarily massive DB or array.