CS 2010 Lab 4 Instructor Plan

1. Define list-of-sym and its generic template
2. Implement count-syms, which counts the number of symbols in a list-of-sym.
   • Let individuals work a while, then type together
3. Implement got-milk?, which determines whether a list-of-sym includes 'milk.
   • Lab instructor types
4. Implement go-bad, which replaces every 'milk in a list-of-sym with 'yogurt.
   • Let individuals work a while, then type together until little time is left, then instructor types