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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.
double banging is definitely not a best practice in the ruby world
a little bit faster now :)
Really good kata, thanks!
This is a good solution, but the kata instructions are:
Create a function isDivisible(n,x,y) that checks if a number n is divisible by two numbers x AND y