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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 question is really badly worded. It also doesnt make sense for people picking up this Kata randomly. What on earth is the expected outcome of this function
Kata's need to be well defined otherwise people without context cannot complete them.
State the input you are giving and the output you expect with context as to how you expect the outcome to be acheived.