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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.
The description has been updated to reflect ignoring upper vs lowercase.
Numeric input is explicitly mentioned in the example in the description (the sample is
"WHERE DO YOU WANT 2 MEET L8R"). It is intentionally left out of the example test cases to give the student something to identify and add to their own test cases after reading and understanding the problem statement.