As promised homework will be shared when completed.
Google Digital Garage -Training for free SEO and more with certifications:
https://learndigital.withgoogle.com/digitalgarage
The Definitive Guide to SEO in 2018 - great info even if it is slightly self serving:)
Rank Brain - googles machine learning system to help them rank their search results and more --
Models can be published and managed via https://www.tensorflow.org/hub/
https://backlinko.com/seo-this-year
https://www.quora.com/What-will-be-the-trending-SEO-technique-in-2019
https://www.npmjs.com/package/mssql