Week 11

Random Functions, Local Expressions / Abstraction

Monday

Assignment 4: Permutations
- Assigned: Wed, Apr 21
- Due: Wed, May 5
- Whiteboard notes:
- Questions?

Lecture 13: Random functions and Local expressions
- PDF
- random-symbol-v1.rkt (run in the Stepper—skip slides 14–39)
- random-symbol.rkt

Wednesday

Lecture 14: Abstraction, Higher Order Functions
- PDF
- Code
- check-syntax-example.rkt

Friday

Lab 7: Intertwined Data 2: Files and Directories