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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.
that's because there are tests mixing booleans and integers, the kata wants you to treat them as distinct, even though
0 == False/1 == Truein Python. closing as the OP's suggestion is not clear...
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very
Was the solutionizer a native German speaker by any chance?
Esoteric
That is beautiful code