

1. Review of Random walks ✅ (jac)
 - Overview random walks
 - Examples of random walks?
2. Higher Order functions ✅ (jaclyn)
 - overview higher order functions (functions as parameters and return outputs) with environment diagrams
 - show equivalant lambda functions
 - write a function that accepts functions as parameters
3. Classes overview ✅ (tony)
 - What are classes? Why are classes useful? 
   - showing organization difference between using and not using classes
 - Class anatomy (attribute methods)
 - Graph example
 - Exercise


