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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.
https://stackoverflow.com/questions/509211/understanding-slice-notation
What does string[1:-1] do?
Regex is supper powerfull
Hey you know what i just ignore the interger. Nice.
if and else before for then another if for ignoring interger! really Nice
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