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Preface
Part I£® Data Structures
1£® The Python Data Model
What's New in This Chapter
A Pythonic Card Deck
How Special Methods Are Used
Emulating Numeric Types
String Representation
Boolean Value of a Custom Type
Collection API
Overview of Special Methods
Why len Is Not a Method
Chapter Summary
Further Reading
2£® An Array of Sequences
What's New in This Chapter
Overview of Built-In Sequences
List Comprehensions and Generator Expressions
List Comprehensions and Readability
Listcomps Versus map and filter
Cartesian Products
Generator Expressions
Tuples Are Not lust Immutable Lists
Tuples as Records
Tuples as Immutable Lists
Comparing Tuple and List Methods
Unpacking Sequences and Iterables
Using * to Grab Excess Items
Unpacking with in Function Calls and Sequence Literals
Nested Unpacking
Pattern Matching with Sequences
Pattern Matching Sequences in an Interpreter
Slicing
Why Slices and Ranges Exclude the Last Item
Slice Objects
Multidimensional Slicing and Ellipsis
Assigning to Slices
Using + and * with Sequences
Building Lists of Lists
Augmented Assignment with Sequences
A += Assignment Puzzler
list£®sort Versus the sorted Built-In
When a List Is Not the Answer
Arrays
Memory Views
NumPy
Deques and Other Queues
Chapter Summary
Further Reading
3£® Dictionaries and Sets