Unused variables don’t add value to a program and should be removed. Despite their simple nature, they can still add problems to your code base.
The outro music is:
Funk Game Loop by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 license. https://creativecommons.org/licenses/by/4.0/
Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100839
Artist: http://incompetech.com/
