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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.
They are only needed whenever you aren't just using a simple variable. An example is "hello, ${person.name}" or "hello, ${name.replace("a", "b")}".
When is it neccessaryly tu use them? My attempt worked without them.
Thanks for reply
sure you're right👌
just in learning cycle😉
Curly brackets in a string template are redundant for that particular case.
Frajer