3.19 Survey

3.1	Basic Racket
3.2	Rudimentary Interpreter
3.3	Lists and Trees
3.4	Higher-order Functions
3.5	Extended Interpreter
3.6	Game Survey
3.7	Garbage Collectors
3.8	Web Game Survey
3.9	Type Checker
3.10	Type Inferrer
3.11	Laziness and Infinite Data
3.12	Prolog
3.13	Language Analysis the First
3.14	Analysis: Garbage Collection
3.15	Language Analysis the Second
3.16	Analysis: Continuations
3.17	Analysis: Type Systems
3.18	Final
3.19	Survey
3.20	Unofficial Course Evaluation the First
3.21	Unofficial Course Evaluation the Second
3.22	Official Course Evaluation