['<','='][n==0]
That was impressive.

Do you mean string concatenation?

Very..readable, but all of these one-liners or two is sometimes intimidating..LOL

It is in conflict to PEP8 because it is too long. But I like it anyway. ;-)

Look at comment below and above, most of all writes about problem with test.

Yes, because most people do the same mistake here. With more than 5000 people having already completed the kata, there's not much room for a persistent bug in the kata. But I'll concede to you that the kata does not ask for the classical/normal way to handle a reccurcive function...

if you can't pass tests it doesn't mean the kata is broken.
please work on your solution.

Because you need a number that is repeated 1 time, that's why min is used.