The Ruby versions are a bit underwhelming, this is not 2+2=5 but much more underhanded: https://youtube.com/watch?v=F3feRCr6S64 https://youtube.com/watch?v=F3f

The Ruby versions are a bit underwhelming, this is not 2+2=5 but much more underhanded: https://youtube.com/watch?v=F3feRCr6S64 https://youtube.com/watch?v=F3feRCr6S64 (recommend watching it by doing the four "tests" before going to the reveal)