this is something clever

No need to return anything

added to Python

This is nice

I did the same)

it's not tested anyway... And the description isn't even clear about what to do in that case (this is very python specific. It's not true in some other languages, so without a clear spec, anything is acceptable)

That's a bold statement, you know, when 150k people solved it and you can't.

How about doing what you are asked in the description?

I don't want to be mean, but I've seen 6kyu katas harder than this.

When people see this ranked as 4kyu, they tend to overthink the task, because most solutions are just bizarre

More like print('trash')

Good kata!

Very nice kata! Though a lot of solutions are an overkill