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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.
Variadic functions
I voted this as clever because it is exactly my solution /s.
Interesting cvb0rg, thank you for sharing. Are you saying that
return [i for i in l if not isinstance(i, str)] is more performant than this solution?
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