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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.
Solution is elegant but what about performance? Does this iterate through every element in the list even after 5 are found?
The assignment says the double and triple have to be the same digit
I dont understand how this works. Can someone explain?