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  • Default User Avatar

    That's true. However this solution is really old, probably written before var became depricated.

  • Custom User Avatar

    It is better not to use var and replace it with let or const, but in this case let. It is better not to use var at all

  • Default User Avatar

    No, the lines are clean and without tricks, maybe you have the same problem as me, adding words to a line, I separated them with a space and got a line with an extra space at the end, and the tests gave an error, despite the fact that the lines matched