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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.
Those are the input parameters.
st
is the string to be changed, andk
is the number of characters to remove according to the rules described.Im very new to programming and i was wondering what the st, k was in solve()