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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.
Genius
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Really not bad and usual code for understanding. I often forget the reduce can be used for array and etc not only for numbers
I dont know why, but it was really hard to solve) 2 hours did it
I like this one) Now i have something useful in my brain. THx)
Look like we think alike ☻