CSC151 2007S, Class 14: Conditionals, Revisited

Admin:
* I will be assigning new lab partners for next week.  
  In honor of yesterday's talk: 
    If there is someone in class you really don't want to work with, 
      send me his or her name.
* I will reserve time at the start of class for questions on the exam.
* Reading for the weekend: Representing Images as Lists of Pixels.

Overview:
* Drawing with conditionals.
* Debriefing: if vs. cond.