Please dont spoil solutions. Everyone can do whatever he wants, with the method he prefers; moreover this kata exists in more than 10 languages, your message is pointless.

Firstly its the Uk that replaced 1st floor with the ground floor. Apart from that nice challenge.

An important thing to note here is that the string must be cleaned prior to the check by using the builtin .lower() method.

Good introduction to methods in OOP for beginners :D

I am used to OOP, ive been using the paradigm to reuse and enhance my own software for a long time. The description is an issue.

This kata is a perfect example for why CodeWars gets a bad name. My preference is OOP and i have been using this style to successfully to create my own reusable objects for my games and software for a long time now and this kata is just wrong. Ideally this kata needs to be removed.

This should be called recursion and if - apart from that very good.

Uncle google helped us with this one

This will put people off wanting to learn to code. Skip it.