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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.
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Good job! the descriptive variable names make it much easier to understand whats happening in the code but a better name for the first 3 numbers would be "areaCode", the country code is the +1 in front of the 7 digit number which isnt relevent to this kata
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