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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'm not sure, whe had to count only letters so.
Anyway it passed or don't passed good solution bro. you just can add more check and that's all and it will work. nice one.
Nice bro, good functional programing way.
it's good :)
My solution is bigger but its big O is O(n) when Array is almost sorted. JK JK, I am practicing buble sort that's all :D