From a bit of Python and Git to being a STARTING developer.

For functional and technical people.

a)    Odoo versions, CE, EE, Licenses

b)    Odoo is composed of modules
   i)    Modules are made of Python code, views, reports, tests, etc.

c)    OCA Method

         i)    Why do we have CI stuff?
  ii)    Explanation of OCA decision making

       iii)    Inheritance
 iv)    Minimal standard on OCA and why OCA Ecosystem
  v)    Importance of tests (Your future you will benefit of it when migration)
 vi)    Benefit of open source?

d)    Get familiar with Github and OCAs organization (Repos, Runboat, …)

e)    Get familiar with Odoo's framework (point and click)