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python versions — Posts grouped by the Python version they cover.

peps — Posts describing specific PEPs

stdlib — Posts covering specific modules or function in stdlib.

typing — Posts about type annotations.

2023 (17)

2023-01-03 isinstance
2023-02-14 wheel
2023-02-21 pyproject.toml
2023-02-28 build-system
2023-03-07 tomllib
2023-03-14 math.fsum
2023-03-21 asyncio
2023-03-28 asyncio.run
2023-04-04 asyncio.sleep
2023-04-11 asyncio.gather
2023-04-18 asyncio.create_task
2023-04-25 asyncio.Task may be GCed
2023-07-18 zoneinfo
2023-07-25 datetime.datetime.fold
2023-08-01 unittest.mock.seal
2023-08-08 typing.ParamSpec
2023-08-10 typing.Concatenate

2022 (29)

2022-01-04 zip
2022-07-05 atexit
2022-07-12 faulthandler
2022-07-14 faulthandler part 2
2022-07-19 `from __future__ import annotations` (PEP-563)
2022-07-26 typing.TYPE_CHECKING
2022-08-02 Union alias (PEP-604)
2022-08-09 LookupError
2022-08-16 is
2022-08-23 del
2022-08-30 `__del__`
2022-09-06 gc.is_finalized
2022-09-13 warnings
2022-09-20 string.Template
2022-09-27 Chain `is`
2022-10-11 generator scope
2022-10-18 os.curdir
2022-10-24 Python 3.11
2022-10-25 Column in tracebacks
2022-11-01 BaseException.add_note
2022-11-08 ExceptionGroup
2022-11-15 `except*`
2022-11-17 `except*` for regular exceptions
2022-11-22 contextlib.chdir
2022-11-29 typing.assert_type
2022-12-03 typing.Self
2022-12-06 typing.dataclass_transform
2022-12-20 reveal_type
2022-12-27 typing.LiteralString

2021 (26)

2021-01-27 class scope
2021-02-24 Season #2.5
2021-02-25 scopes
2021-03-02 nonlocal
2021-03-04 int to str performance
2021-03-09 bytearray
2021-03-11 join lists
2021-03-16 warning about is
2021-03-18 float (IEEE 754)
2021-03-23 float division
2021-03-25 typing.TypedDict (PEP-589)
2021-03-30 getattr type annotaions (PEP-526)
2021-04-01 eval strategy
2021-04-06 copy.deepcopy
2021-04-08 eval order
2021-04-15 KeyError
2021-04-20 logging exc_info
2021-04-22 logging extra
2021-04-27 textwrap.dedent
2021-04-29 types.MappingProxyType
2021-05-04 sqlite3
2021-05-06 `str.__getitem__` quirks
2021-08-26 Development Mode
2021-08-31 allow_nan
2021-09-07 sre_parse
2021-12-31 new year 2021-2022

2020 (57)

2020-05-26 intro (season 2)
2020-05-28 str.removeprefix
2020-06-04 `dict.__or__` (PEP-584)
2020-06-09 generic built-in types (PEP-585)
2020-06-16 ast.unparse
2020-06-18 decorators (PEP-614)
2020-06-23 sys.setrecursionlimit
2020-06-26 match
2020-07-02 class body
2020-07-07 `__init_subclass__` (PEP-487)
2020-07-09 `__prepare__`
2020-07-14 data and non-data descriptors
2020-07-16 @cached_property
2020-07-21 `__set_name__` (PEP-487)
2020-07-23 dunder
2020-07-28 don't use magic methods directly
2020-07-30 assert
2020-08-04 colorsys
2020-08-06 typing.final
2020-08-13 license
2020-08-18 fnmatch
2020-08-25 ast.literal_eval
2020-08-27 zen of python (PEP-20)
2020-09-01 nan
2020-09-08 format
2020-09-10 object and type
2020-09-15 everything is object
2020-09-17 sys.modules
2020-09-22 numbers (PEP-3141)
2020-09-24 types.SimpleNamespace
2020-10-01 contextlib.nullcontext
2020-10-06 enum
2020-10-08 types.DynamicClassAttribute
2020-10-13 zipapp
2020-10-15 `__new__` and `__init__`
2020-10-20 unittest.mock.sentinel
2020-10-22 yield and comprehensions
2020-10-27 f-strings and docstrings
2020-10-29 codecs
2020-11-03 comprehensions are functions
2020-11-05 dict as `__slots__`
2020-11-10 pydoc
2020-11-12 `__class_getitem__` (PEP-560)
2020-11-17 ipaddress
2020-11-19 `__index__` (PEP-357)
2020-11-24 `__qualname__` (PEP-3155)
2020-11-26 str.isdigit
2020-12-01 emojis
2020-12-03 json default
2020-12-08 ipython
2020-12-10 array performance
2020-12-15 functools.lru_cache
2020-12-17 functools.cache
2020-12-22 re.compile
2020-12-24 math.tau (PEP-628)
2020-12-29 join strings
2020-12-31 new year 2020-2021

2018 (73)

2018-03-18 loop scope
2018-03-19 Dict keys (2)
2018-03-20 iPython magic (2)
2018-03-21 Decorator syntax (2)
2018-03-22 Interactive shell: exit
2018-03-23 HTTP redirect (2)
2018-03-24 LookupError
2018-03-25 Keyword-only arguments
2018-03-26 pytest
2018-03-27 abc.abstractmethod (2)
2018-03-28 heapq (2)
2018-03-29 getattr VS getattribute
2018-03-30 JSON streaming
2018-03-31 epoch before Python 3.3
2018-04-01 Python + Perl + Ruby = <3
2018-04-02 __dict__ and __slots__
2018-04-03 Choosing subclass
2018-04-04 tzinfo and pytz
2018-04-05 @contextmanager decorator
2018-04-06 __getitem__ and slices
2018-04-07 FSM (4)
2018-04-09 Generator.throw
2018-04-10 Slice view
2018-04-11 Reduce
2018-04-12 functools.wraps
2018-04-13 suppress
2018-04-14 Parameters unpacking
2018-04-15 Why numbering should start at zero
2018-04-16 Coverage
2018-04-17 Generator length
2018-04-18 List copy
2018-04-19 attrs
2018-04-20 SQL pagination
2018-04-21 multiprocessing.Pool
2018-04-22 multiprocessing threads
2018-04-23 Multiple dispatch
2018-04-24 `__exit__` return value
2018-04-25 bisect
2018-04-26 Unicode vs utf-8
2018-04-27 Is Python interpreted language?
2018-04-28 `__hash__`
2018-04-30 Communication with subprocess
2018-05-01 partial
2018-05-02 LSP for dict
2018-05-03 Is it a function?
2018-05-04 `format` syntax (2)
2018-05-05 Midnight
2018-05-06 `__length_hint__`
2018-05-07 `enumerate`
2018-05-08 itertools.chain
2018-05-09 `else` in loops
2018-05-10 How to create a closure
2018-05-11 raw_input vs input
2018-05-12 Function composition
2018-05-13 Recursive repr
2018-05-15 Patch built-ins
2018-05-16 Source file path
2018-05-17 tempfile
2018-05-18 Context manager vs decorator
2018-05-19 contextlib.closing
2018-05-20 Decimal
2018-05-21 Making file path
2018-05-22 UTF-8: how to cut bytes
2018-05-23 asyncio: futures
2018-05-25 Nested context managers
2018-05-26 Tail recursion
2018-05-28 asyncio: yielding future
2018-05-29 asyncio: await in `__await__`
2018-05-30 asyncio: `get_event_loop`
2018-05-31 asyncio: schedule a coroutine
2018-06-01 aiotask-context: contextvars for asyncio
2018-06-02 async `for` and `with`
2018-06-04 C3 MRO

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