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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.
numbers_list[i] == n
) unless the number is 1 digit, which has been handled by the earlier if statementI didn't mention all, but these are the red flags that can easily be spotted right away in your code.