L

lambda expressions, Python Expression Operators, Handling larger actions, Coding Functions, Scope Details, Name Resolution: The LEGB Rule, Nested scopes, defaults, and lambdas, Nested scopes, defaults, and lambdas, Loop variables may require defaults, not scopes, Simulating Output Parameters and Multiple Results, Anonymous Functions: lambda–How (Not) to Obfuscate Your Python Code, Multiway branch switches: The finale, How (Not) to Obfuscate Your Python Code–How (Not) to Obfuscate Your Python Code, Scopes: lambdas Can Be Nested Too, Scopes: lambdas Can Be Nested Too, Scopes: lambdas Can Be Nested Too, Function Interfaces and Callback-Based Code

about, Nested scopes, defaults, and lambdas, Anonymous Functions: lambda–How (Not) to Obfuscate Your Python Code

callbacks and, Function Interfaces and Callback-Based Code

coding functions, Coding Functions, How (Not) to Obfuscate Your Python Code–How (Not) to Obfuscate Your Python Code

def statement and, Nested scopes, defaults, and lambdas

inline callbacks, Scopes: lambdas Can Be Nested Too

multiway branching and, Handling larger actions, Multiway branch switches: The finale

nesting, Loop variables may require defaults, not scopes, Scopes: lambdas Can Be Nested Too

scope and, Scope Details, Name Resolution: The LEGB Rule, Scopes: lambdas Can Be Nested Too

unpacking arguments, Simulating Output Parameters and Multiple Results

usage example, Python Expression Operators

language features, enabling in modules, Enabling Future Language Features: __future__

last-in-first-out (LIFO), Other common list methods, Recursion versus queues and stacks

Latin-1 character set, Character Encoding Schemes

__le__ method, Common Operator Overloading Methods

left-shift (<<) operator, Character code conversions

LEGB rule, Name Resolution: The LEGB Rule–Other Python scopes: Preview, The Built-in Scope, Simple Names: Global Unless Assigned, Nested Classes: The LEGB Scopes Rule Revisited–Nested Classes: The LEGB Scopes Rule Revisited

built-in scope and, The Built-in Scope

name resolution, Name Resolution: The LEGB Rule–Other Python scopes: Preview

namespaces and, Simple Names: Global Unless Assigned

nested classes, Nested Classes: The LEGB Scopes Rule Revisited–Nested Classes: The LEGB Scopes Rule Revisited

len built-in function, Numbers, Escape Sequences Represent Special Characters, Raw Strings Suppress Escapes, Basic Operations, Basic Dictionary Operations, Sequence Shufflers: range and len, How Python Stores Strings in Memory

dictionaries and, Basic Dictionary Operations

sequence shufflers, Sequence Shufflers: range and len

strings, Numbers

strings and, Escape Sequences Represent Special Characters, Raw Strings Suppress Escapes, Basic Operations, How Python Stores Strings in Memory

__len__ method, Common Operator Overloading Methods, Boolean Tests: __bool__ and __len__–Boolean Methods in Python 2.X

lexical scoping, Python Scope Basics

LIFO (last-in-first-out), Other common list methods, Recursion versus queues and stacks

Linux platform, GUIs, Introducing the Python Interpreter, Frozen Binaries, Starting an Interactive Session, Where to Run: Code Directories, Icon-Click Basics, IDLE Startup Details, Installation Steps, Unix/Linux shell variables

configuring Python, Unix/Linux shell variables

frozen binaries and, Frozen Binaries

GUI support, GUIs

icon clicks, Icon-Click Basics

IDLE startup details, IDLE Startup Details

installing Python, Introducing the Python Interpreter, Installation Steps

system shell prompt, Starting an Interactive Session

working directory, Where to Run: Code Directories

list built-in function, String Method Examples: Changing Strings II, Dictionary views in 3.X (and 2.7 via new methods), Conversions, methods, and immutability, Type Objects, Other Built-in Type Iterables, Other Iteration Contexts, Other Iteration Contexts, Impacts on 2.X Code: Pros and Cons, Dictionary View Iterables

about, String Method Examples: Changing Strings II

converting objects to lists, Conversions, methods, and immutability

iteration protocol and, Dictionary views in 3.X (and 2.7 via new methods), Other Built-in Type Iterables, Other Iteration Contexts, Other Iteration Contexts, Impacts on 2.X Code: Pros and Cons, Dictionary View Iterables

type customization and, Type Objects

list comprehensions, Comprehensions–Comprehensions, Comprehensions, Comprehensions, Comprehensions, List Iteration and Comprehensions, List Iteration and Comprehensions, Nested for loops, Changing Lists: range Versus Comprehensions, Iterations and Comprehensions, List Comprehensions: A First Detailed Look–List Comprehension Basics, List Comprehensions: A First Detailed Look, Using List Comprehensions on Files, Extended List Comprehension Syntax–Nested loops: for, Other Iteration Topics, List Comprehensions and Functional Tools–On the other hand: performance, conciseness, expressiveness, List Comprehensions and Functional Tools, List Comprehensions Versus map, Adding Tests and Nested Loops: filter–Formal comprehension syntax, Example: List Comprehensions and Matrixes–Example: List Comprehensions and Matrixes, Don’t Abuse List Comprehensions: KISS–On the other hand: performance, conciseness, expressiveness, On the other hand: performance, conciseness, expressiveness

about, Comprehensions–Comprehensions, List Comprehensions: A First Detailed Look–List Comprehension Basics, List Comprehensions and Functional Tools

extended syntax, Extended List Comprehension Syntax–Nested loops: for

files and, Using List Comprehensions on Files

filter built-in function and, Comprehensions, Adding Tests and Nested Loops: filter–Formal comprehension syntax

for statement and, Nested for loops, Iterations and Comprehensions, List Comprehensions: A First Detailed Look

functional tools, List Comprehensions and Functional Tools–On the other hand: performance, conciseness, expressiveness

generator expressions and, Other Iteration Topics

map built-in function versus, Comprehensions, List Iteration and Comprehensions, List Comprehensions Versus map, On the other hand: performance, conciseness, expressiveness

matrixes and, Example: List Comprehensions and Matrixes–Example: List Comprehensions and Matrixes

range built-in function and, Comprehensions, List Iteration and Comprehensions, Changing Lists: range Versus Comprehensions

usage considerations, Don’t Abuse List Comprehensions: KISS–On the other hand: performance, conciseness, expressiveness

list-unpacking assignments, Assignment Statement Forms

lists (list object), Python’s Core Data Types, Python’s Core Data Types, Lists, Lists, Sequence Operations, Type-Specific Operations, Type-Specific Operations, Type-Specific Operations, Type-Specific Operations, Type-Specific Operations, Type-Specific Operations, Type-Specific Operations, Type-Specific Operations, Bounds Checking, Nesting, Sorting Keys: for Loops, Lists, Lists–Lists, Lists, Lists, Lists, Basic List Operations, Basic List Operations, Basic List Operations, List Iteration and Comprehensions, Indexing, Slicing, and Matrixes, Indexing, Slicing, and Matrixes, Indexing, Slicing, and Matrixes, Indexing, Slicing, and Matrixes, Indexing, Slicing, and Matrixes, Changing Lists in Place–Other common list operations, Index and slice assignments–Index and slice assignments, Index and slice assignments–Index and slice assignments, Index and slice assignments, Index and slice assignments, Index and slice assignments, Index and slice assignments, List method calls–Other common list methods, List method calls, More on sorting lists–More on sorting lists, More on sorting lists, More on sorting lists, Other common list methods, Other common list methods, Other common list methods, Other common list methods, Other common list methods, Other common list methods, Other common list methods, Other common list methods, Other common list operations, Other common list operations, Other common list operations, Using dictionaries to simulate flexible lists: Integer keys, Other Ways to Make Dictionaries, Test Your Knowledge: Quiz, Why Lists and Tuples?, References Versus Copies, Comparisons, Equality, and Truth, Advanced sequence assignment patterns, Advanced sequence assignment patterns, Expression Statements and In-Place Changes, Other Iteration Contexts, Other Iteration Contexts, Example: Catching Built-in Exceptions

about, Python’s Core Data Types, Lists, Lists–Lists

append method, Type-Specific Operations, List method calls, More on sorting lists, Other common list methods, Advanced sequence assignment patterns, Other Iteration Contexts

bounds checking, Bounds Checking

changing in place, Changing Lists in Place–Other common list operations, Expression Statements and In-Place Changes

common operations, Lists, Basic List Operations, Other common list operations

comparison operations, Comparisons, Equality, and Truth

concatenating, Basic List Operations, Example: Catching Built-in Exceptions

copy method, Other common list operations, References Versus Copies

count method, Other common list methods

deleting items, Other common list operations

dictionaries versus, Using dictionaries to simulate flexible lists: Integer keys, Other Ways to Make Dictionaries

empty lists, Lists

extend method, Type-Specific Operations, Index and slice assignments, Other common list methods, Other Iteration Contexts

index method, Other common list methods

indexing, Indexing, Slicing, and Matrixes, Index and slice assignments–Index and slice assignments

insert method, Type-Specific Operations, Index and slice assignments, Other common list methods

iteration in, List Iteration and Comprehensions

literals, Python’s Core Data Types, Lists

matrixes and, Indexing, Slicing, and Matrixes

mutable nature of, Lists, Lists

nesting, Nesting, Indexing, Slicing, and Matrixes

pop method, Type-Specific Operations, Index and slice assignments, Other common list methods, Advanced sequence assignment patterns

quiz questions and answers, Test Your Knowledge: Quiz

remove method, Type-Specific Operations, Index and slice assignments, Other common list methods

repeating, Basic List Operations

reverse method, Type-Specific Operations, More on sorting lists, Other common list methods

sequence operations, Sequence Operations, Indexing, Slicing, and Matrixes

slicing, Indexing, Slicing, and Matrixes, Index and slice assignments–Index and slice assignments

sort method, Type-Specific Operations, Sorting Keys: for Loops, More on sorting lists–More on sorting lists

tuples versus, Why Lists and Tuples?

type-specific methods, List method calls–Other common list methods

type-specific operations, Type-Specific Operations

literals, Python’s Core Data Types, Python’s Core Data Types, Python’s Core Data Types, Python’s Core Data Types, Python’s Core Data Types, Python’s Core Data Types, Python’s Core Data Types, Python’s Core Data Types, Python’s Core Data Types, Unicode Strings, Numeric Literals–Numeric Literals, Numeric Literals, Hex, Octal, Binary: Literals and Conversions–Hex, Octal, Binary: Literals and Conversions, Hex, Octal, Binary: Literals and Conversions–Hex, Octal, Binary: Literals and Conversions, Set literals in Python 3.X and 2.7, Unicode: The Short Story, String Basics–Triple Quotes Code Multiline Block Strings, Lists, Dictionaries, Tuples, Statement Delimiters: Lines and Continuations, Python 3.X String Literals–Python 2.X String Literals, Python 2.X Unicode literals in Python 3.3, Byte String Literals: Encoded Text

about, Python’s Core Data Types

built-in object type examples, Python’s Core Data Types

byte string, Byte String Literals: Encoded Text

dictionary, Python’s Core Data Types, Dictionaries

file, Python’s Core Data Types

hex, octal, binary notation, Hex, Octal, Binary: Literals and Conversions–Hex, Octal, Binary: Literals and Conversions

integer objects, Numeric Literals, Hex, Octal, Binary: Literals and Conversions–Hex, Octal, Binary: Literals and Conversions

list, Python’s Core Data Types, Lists

numeric, Python’s Core Data Types, Numeric Literals–Numeric Literals

set, Python’s Core Data Types, Set literals in Python 3.X and 2.7

string, Python’s Core Data Types, String Basics–Triple Quotes Code Multiline Block Strings, Statement Delimiters: Lines and Continuations, Python 3.X String Literals–Python 2.X String Literals

tuple, Python’s Core Data Types, Tuples

Unicode, Unicode Strings, Unicode: The Short Story, Python 2.X Unicode literals in Python 3.3

little-endian format, Handling the BOM in 3.X–Dropping the BOM in Python

local scope, Scope Details, Name Resolution: The LEGB Rule, Other Python scopes: Preview, Simple Names: Global Unless Assigned

about, Scope Details

class statement and, Other Python scopes: Preview

LEGB rule and, Name Resolution: The LEGB Rule, Simple Names: Global Unless Assigned

local variables, Local Variables

logical operations, Python Expression Operators

LookupError class, Built-in Exception Classes

loops, A Quick Example: Interactive Loops–Nesting Code Three Levels Deep, A Quick Example: Interactive Loops, break, continue, pass, and the Loop else, Loop else–More on the loop else, Loop Coding Techniques–Generating Both Offsets and Items: enumerate, Loop Coding Techniques–Generating Both Offsets and Items: enumerate, Test Your Knowledge: Quiz, Iterations: A First Look–Other Built-in Type Iterables, Filter clauses: if–Nested loops: for, Loop variables may require defaults, not scopes, Loop Statements Versus Recursion, Adding Tests and Nested Loops: filter–Formal comprehension syntax, Enclosing scopes and loop variables: Factory functions, Breaking Out of Multiple Nested Loops: “go to”, Breaking Out of Multiple Nested Loops: “go to”, Avoiding loops in attribute interception methods

(see also specific statements)

attribute interception methods and, Avoiding loops in attribute interception methods

breaking out of, Breaking Out of Multiple Nested Loops: “go to”

coding techniques for, Loop Coding Techniques–Generating Both Offsets and Items: enumerate

else clause, break, continue, pass, and the Loop else, Loop else–More on the loop else

function-related gotchas, Enclosing scopes and loop variables: Factory functions

interactive, A Quick Example: Interactive Loops–Nesting Code Three Levels Deep

iterations and, Loop Coding Techniques–Generating Both Offsets and Items: enumerate, Iterations: A First Look–Other Built-in Type Iterables

nesting, Filter clauses: if–Nested loops: for, Loop variables may require defaults, not scopes, Adding Tests and Nested Loops: filter–Formal comprehension syntax, Breaking Out of Multiple Nested Loops: “go to”

quiz questions and answers, Test Your Knowledge: Quiz

recursion versus, Loop Statements Versus Recursion

__lt__ method, Common Operator Overloading Methods, Comparisons: __lt__, __gt__, and Others