Outline:

1. Quiz #1
2. Data visualization
   • plotting earthquakes: code and background image
3. A taste of object-oriented programming
   • graphics.py: code and documentation

Explore after class:

4. More practice with graphics.py: example

Reading assignment (to be completed by the next class):

• Zelle sections 4.1-4.3 (pp. 83-90)
• Assignment #3 (due next Thursday at 10pm)