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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.
Loved it!
Ah you're right... anyway just thinking in that direction helps a lot! Tried with reduce though and for my suprise it's even slower than list comprehension.
Great kata, probably 7 kyu though.. As someone already said, think about solutions without loops!
Really enjoyed this kata, but I don't think it's 7 Kyu. It was more like 6 imho.
I can't even understand what's going on here... Anyone care to elaborate?