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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 feels like a 10 kyu kata.
It's important because this is far too easy for a level 6 kata. It's important for students to be able to gauge their progress accurately.
The possibility to pass hardcoded solution is still a issue..
Why is this so important for you? When I created this kata some years ago, it actually was a 6 kyu kata. 8 kyu was about learning the language basics and this kata is beyond those basics.
OK, but how would you pass a parameter to query (not using SQL injection)?
PS: Now try to solve this kata the right way.
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