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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.
F-strings:
For most cases, f-strings are the best choice. They're concise, readable, and performant.
.format() method:
If you need to support older Python versions or want more complex formatting options, use .format().
Old-style % formatting:
Avoid this method for new code, but be able to recognize it in legacy code.