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.
I think you did not put spaces after the ", ". Or, there is a space after the answer.
You're printing to the console.
Read this
I got undefined??
Log:
'Bart, Lisa, Maggie, Homer & Marge'
Expected:
'Bart, Lisa, Maggie, Homer & Marge'
I also returned logged ouptut, what could be the problem?? Why is it saying undefined?