Lab 4

1. Find your partner for program 4.
2. Spend the first 15 minutes completing Exercise 5-3 from Learning Processing. Turn in the version done using an if-statement, not the one done using constrain().
3. Submit your solution to exercise 5-3 (the first variation with an if-statement) by attaching the complete program to this assignment. 
4. With your partner, work on program 4.