Exactly, I used python heavily for a while, so don't think I've ever even coded my own for anything 'real' (e.g. outside of project euler or something) - I thin

Exactly, I used python heavily for a while, so don't think I've ever even coded my own for anything 'real' (e.g. outside of project euler or something) - I think the closest I've done on a real project is to code the comparison function and feed that to a sort.