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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.
Does this help? https://stackoverflow.com/questions/33660518/why-can-functions-be-called-without-parentheses-when-using-template-strings
I think this is the best one
^ correct
when a parantheses is added, the function is executed with whatever argument is passed to it
when a paranthesis is not present, the function reference is sent to the callable (in this case
upper_caseIt doesn't need () at the end? str.upper()
Genial aun no hablo´ingles
That's probably the smallest you could go, didn't think about doing that lol. Congrats.