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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.
Full names are unique, but there actually is another Anna in
employees.So you can't tell which Anna you're looking for; then treating such input as invalid becomes a viable strategy.
I think the description should be changed to indicate that the single names are invalid names (return value == 'Does not work here!').
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