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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.
genuinely, how is this more efficient than some of the others?
To me it looks less readable which, and efficient code can tends to be less readable, but that doesn't apply the other way round.
is it the modulo operations being more efficient than the 'even?' method, for example?
very clever. thanks for explaining! I just realised why I was slightly confused and that's because I misunderstood the kata in the 1st place. still managed to pass the case tests though haha
can someone explain this please?