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.
same error :(
This comment is hidden because it contains spoiler information about the solution
This comment is hidden because it contains spoiler information about the solution
missing some test :)
only if sum also returns NaN, because I think it's the same case
it's for empty array, test []
Test Failed: Wrong average on empty array, expected NaN -.-
I think is better 0 than NaN