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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.
"while" issue resolved.
but your solution does not work for the number 1 .
Wouldn't for .. of be functionally identical (And slightly easier to read)?
My solution was flagged as having a while loop, but didn't have any loops. Couldn't get the tests to pass.