Section 17.1. "Roses Are Red, Violets Are Blue; Lists Are Mutable, and So Is Class Foo"
Section 17.2. Implementing Stacks
Section 17.3. Implementing Sets
Section 17.4. Binary Search Trees
Section 17.5. Graph Searching
Section 17.6. Reversing Sequences
Section 17.7. Permuting Sequences
Section 17.8. Sorting Sequences
Section 17.9. Data Structures Versus Python Built-ins
Section 17.10. PyTree: A Generic Tree Object Viewer
