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.
He is using the "DICTIONARIES" in Python, setting key and value pairs.
After setting up the dictionary he using index to call upon the key that display the corresponding value.
I guess you know this by now :)