| A | B |
|---|---|
namedtuple() | factory function for creating tuple subclasses with named fields |
deque | list-like container with fast appends and pops on either end |
ChainMap | dict-like class for creating a single view of multiple mappings |
Counter | dict subclass for counting hashable objects |
OrderedDict | dict subclass that remembers the order entries were added |
defaultdict | dict subclass that calls a factory function to supply missing values |
UserDict | wrapper around dictionary objects for easier dict subclassing |
UserList | wrapper around list objects for easier list subclassing |
UserString | wrapper around string objects for easier string subclassing |
(echo:: @ ᯤ)