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.
There is no precision for the output of 2 digits implemented
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Its not working, I get the error message:
"Value of type 'String' has no member 'localizedCaseInsensitiveContains'"
What ist the problem?
clever solution with the modulo for the next()
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nice solution for check l w h for a value of null !!!
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How does it works, what exactly do the $0?