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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.
Print the input values.
Check https://docs.codewars.com/training/troubleshooting for some tips.
Just because your solution doesn't work in all test cases. Try to figure out what is going wrong.
You are returning a string, but a number is expected.
Hi! If the input number is positive, you just need to 'convert' that number to the same, negative number. For example, if the input number is 5, you must return -5, if the input number is 22, then you must return -22.