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.
@serendip: Use
console.log?Also, that looks like an obsolete kata problem, so closing.
Not exactly "any amount" of arguments, but specifically "at least two arguments".
how to check the test cases ? The case failed, but can not get the case.
You must use a product of at least two factors (a product of 1 factor, well.., it is not a product)