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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.
thanks for advicing its so hard for me as beginer i solve it and passed the first test but then mach errors
can any one explain it please ?
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he just sort them from 0 to 9 and uses the input as index when you type 1 as input you will get the value at index one from the array