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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
Your code is wrong, the tests are fine. Not a kata issue. Print the input to help you debug your code.
So I solved it in Python myself with no problems, and I'm left with even more questions than before. The word "love" doesn't appear anywhere in the tests, or in their generation. Are you sure you're not making this up?
See https://docs.codewars.com/training/troubleshooting/#print-input
If test cases were wrong, how would they be approved in the first place? And then, how would 6k+ users be able to successfully solve them? I haven't attempted this in Python, but your claims seem ludicrous.