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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.
I think the factorial for big input numbers (like 67) gives
infiniteas result.Please use a spoiler flag when you post code somewhere, and use markdown tags to format your code or it's no usable, see there : https://docs.codewars.com/training/troubleshooting/
Your code throws a syntax error.
Your code has a little mistake.