graph
- Oops, make it importable.2012-12-18, by Brian Neal
- Starting a redblacktree.py module for Section 3.4, Exercise 4.2012-12-18, by Brian Neal
- Completing Ch 3.3, exercise 4.2.2012-12-10, by Brian Neal
- Completing Ch 3.4 exercise 4.1.2012-12-10, by Brian Neal
- Adding author's Map.py as ch3ex4.py to represent the original version before2012-12-10, by Brian Neal
- Added the bisection() function for Ch 3.3 exercise 3.2012-12-10, by Brian Neal
- Chapter 2.7, exercise 7; a generator to create identifiers.2012-12-03, by Brian Neal
