Loading collection data...
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.
The description requires to count different type of products which will requires to use distinct, but for the result showing that we should not use it.Either you should change the description or change the test case