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.
This comment is hidden because it contains spoiler information about the solution
The instruction for this kata are vague. What is and isn't being considered a number?
Testing is severely lacking.
Amongst many, many others, the reference solution should be caught for not recognising the valid number string
"1e3".