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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.
This solution should not be used for the resolution of this kata with level 4
Cierto mucho mejor.
Mas sencillo usando ucwords :p
Me apunto array_walk que no suelo usarlo.