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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.
I'd like to know what are those pythonistic solutions. I mainly write in JavaScript
Just saying: I've seen several nice, quite pythonistic solutions using ! and/or ?, which I thought it wasn't allowed. Am I right?
Could you change "View Solution" to "View Solutions"?
I was wondering if using auxiliary functions is something allowed here in Codewars.
I've checked that it works fine in the katas, but I don't know if this is something commonly accepted by the Codewars practice.
Just reflecting in hindsight...
I had to write several functionally correct versions looking for an optimized one to deal properly with huge arrays (random tests).
I was thinking that struggling with optimization this deep might be too much for level 6, in python at least.