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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.
Because the instructions ask for the aliases being age_min and age_max
why can't we use min_age and max_age for the alias?
What happend to your code??? Chill out bro :)
Wow mine looks nothing like this!
It is not obsolete, it can be useful in some cases. This code was probably written a long time ago.
This comment is hidden because it contains spoiler information about the solution
This didn't work out for me, I don't know why so I have unlocked the solution.