Math 480 Lecture 7. Cython, part 1

Published worksheet: http://flask.sagenb.org/home/pub/27/

1. Homework due Wednesday.
2. No office hours today, because I'm flying to San Diego right after class. But keep asking me questions in email!
3. Questions
4. Cython:
   • documentation
   • examples: calling external C/C++ library functions