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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.
You need to change
lyrics.delete(" ")tolyrics.delete("").This is because
lyricsreturns["A", "", "", "B", "", "", "C"]and you are trying to remove spaces instead of empty strings.This comment is hidden because it contains spoiler information about the solution