namedtuple vs NamedTuple in Python - Stack Overflow
The type generated by subclassing typing.NamedTuple is equivalent to a collections.namedtuple, but with __annotations__, _field_types and _field_defaults attributes added. The generated …
Newest 'python-collections' Questions - Stack Overflow
May 23, 2025 · Python 3.9 includes PEP 585 and deprecates many of the types in the typing module in favor of the ones in collections.abc, now that they support __class_getitem__.
python - What is isinstance with a dictionary and abc.Mapping …
Feb 29, 2016 · The collections.abc module provides several abstract base classes that can be used to generically describe the various kinds of data structures in Python. In your example, …
python - collections.Iterable vs typing.Iterable in type annotation …
Oct 16, 2018 · Due to PEP 585 - Type Hinting Generics In Standard Collections, Python's standard library container types are also able to accept a generic argument for type …
python - cannot import name 'Sequence' from 'collections' - Stack …
Jul 22, 2024 · The pathlib package is willing to import Sequence from collections instead of collections.abc; this is deprecared since Python 3.3, and not working anymore since Pyhton 3.10.
python - Difference between collections.abc.Sequence and typing ...
Jan 30, 2023 · In older versions of python, typing.Sequence is a generic version of collections.abc.Sequence, used for typing. In recent versions, both are generic and …
python - cannot import name 'MutableMapping' from 'collections' …
Jan 26, 2022 · If you have this issue a simple method to patch the issue for 3.10 is to port back the library into collections instead of bothering about changing third party code, or your own …
iteration - Pythonic way to iterate over a collections.Counter ...
In Python 2.7, I want to iterate over a collections.Counter instance in descending count order.
python - queue.Queue vs. collections.deque - Stack Overflow
I need a queue which multiple threads can put stuff into, and multiple threads may read from. Python has at least two queue classes, queue.Queue and collections.deque, with the former …
Accessing items in an collections.OrderedDict by index
Dec 16, 2018 · 12 This community wiki attempts to collect existing answers. Python 2.7 In python 2, the keys(), values(), and items() functions of OrderedDict return lists. Using values as an …