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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.
It's so cool
because the "list" function works with strings, but not with numbers
A very good kata, although not difficult, but not obvious either.
I think more fixed tests are needed. For example, test with capital letters
Yes, you can check this in the example
I love this kata, I really liked that it can be solved step by step
Same