https://www.rubykoans.com/ https://www.rubykoans.com/ Last time I looked they hadn't been updated in a while, so may not have support for the very latest & grea

https://www.rubykoans.com/ https://www.rubykoans.com/ Last time I looked they hadn't been updated in a while, so may not have support for the very latest & greatest features of rubylang, but find this a great approach to quickly familiarizing with 'core' ruby. Hope you enjoy.