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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.
This comment is hidden because it contains spoiler information about the solution
bitwise shift to the left
What is that?
Great solution!
I'd suggest to store
sorted(word)
in variable to avoid doing the same constant operation on every loop.One more line, but time optimized.