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
This kata tests your understanding on pass by reference and pass by value.
To help people better understand the difference of shallow and deep copies lookup shallow copy on wikipedia it'll show you the differences between shallow and deep copies.
This comment is hidden because it contains spoiler information about the solution
Oh my this is a great use of reduce. Most wouldnt think to use it to create a string.