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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.
Keyword "return" is unnecessary in this case. This method will implicitly return value of the last evaluated line of code.
holy shit is right
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"Any digit followed by all zeros: 100, 90000" If your error is happening because of 98, 99 they should return Almost because both numbers are 2 within being a digit followed by all zeros.