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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.
I added random tests. It's my first kata. Please let me know if the tests can still be circumvented.
It's Python, so it's perfectly fine because it does not affect the caller.
"The tests will always use some integral number [...]" see description.
Also .index() uses a linear search to find the letter in alphabet in every iteration...
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