Assessment Link:
http://www.cs.gmu.edu/~kdobolyi/sparc/assessment.php

Marmoset Link:
http://marmoset.vsnet.gmu.edu:8080/submitServer/

Answers Link:
http://www.cs.gmu.edu/~kdobolyi/sparc/answers.php

Python Visualizer Link:
http://www.pythontutor.com/visualize.html#mode=edit