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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 like that solution too, nice option with sorted and key!!! learnt it here a bit, thanks
nice solution!
very clever!
Hello!
are we sure about that example??
([7, 6, 21], 1)
I am passing all test but only this shows me 9 instead of 1.
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What if initial number is 105? 1+0+5=6, then 105 - 6 = 99 in the list now and not apple
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