K

KeyboardInterrupt exception, Exceptions Aren’t Always Errors

keys, Nesting Revisited, Missing Keys: if Tests–Missing Keys: if Tests, Sorting Keys: for Loops–Sorting Keys: for Loops, Sorting Keys: for Loops, Adding Keys, Attributes, and Offsets, Flexible reference syntax: Extra complexity and functional overlap, Dictionaries, Basic Dictionary Operations, More Dictionary Methods, Preview: Mapping values to keys, Dictionary Usage Notes, Dictionary Usage Notes, Using dictionaries to simulate flexible lists: Integer keys, Using dictionaries for sparse data structures: Tuple keys, Avoiding missing-key errors, Sorting dictionary keys in 3.X, Sorting dictionary keys in 3.X, Sorting dictionary keys in 3.X

(see also access-by-key databases and filesystems)

access-by-key databases and filesystems, Nesting Revisited

dictionary, Sorting Keys: for Loops, Adding Keys, Attributes, and Offsets, Dictionaries, Basic Dictionary Operations, Dictionary Usage Notes, Sorting dictionary keys in 3.X

integer-based, Using dictionaries to simulate flexible lists: Integer keys

mapping values to, Preview: Mapping values to keys

missing, Missing Keys: if Tests–Missing Keys: if Tests, Avoiding missing-key errors

sorting, Sorting Keys: for Loops–Sorting Keys: for Loops, More Dictionary Methods, Sorting dictionary keys in 3.X

string method calls and, Flexible reference syntax: Extra complexity and functional overlap

tuple-based, Using dictionaries for sparse data structures: Tuple keys

usage notes, Dictionary Usage Notes

keyword arguments, Mapping Operations, More on sorting lists, Argument Matching Basics, Keyword and Default Examples–Combining keywords and defaults, Python 3.X Keyword-Only Arguments–Why keyword-only arguments?, Using Keyword-Only Arguments, Using keyword-only arguments in 3.X, Testing As You Go, Abstract superclasses in Python 3.X and 2.6+: Preview, Class instance attributes

about, Argument Matching Basics, Keyword and Default Examples–Combining keywords and defaults

abstract superclasses and, Abstract superclasses in Python 3.X and 2.6+: Preview

decorators and, Class instance attributes

homegrown timing module, Using keyword-only arguments in 3.X

mapping operations and, Mapping Operations

modifying sort behavior, More on sorting lists

printing example, Using Keyword-Only Arguments

usage examples, Testing As You Go

version considerations, Python 3.X Keyword-Only Arguments–Why keyword-only arguments?

KISS principle, Don’t Abuse List Comprehensions: KISS–On the other hand: performance, conciseness, expressiveness, KISS Revisited: “Overwrapping-itis”

Komodo IDE, Other IDEs