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.
Not a performance issue. It's wrong. You'll find that it's wrong if you investigate what happens for a test that times out.
Also: mark your post as containing spoilers
This comment is hidden because it contains spoiler information about the solution
I was solving it in my code editor first, didn't try it here
I had only one step missing and I couldn't figure it out because every time I try to debugg I get an infinite loop
Kata description says:
what is the "base series"?
Did you finish it?
Sounds like Python. Also sounds like your function does not return a value.
'None should equal 283' - what it means?
Does it mean that function should be able to process something else except numbers?