>>> import sys; print(sys.version)
3.10.12 | packaged by conda-forge | (main, Jun 23 2023, 22:40:32) [GCC 12.3.0]

>>> import enum
>>> class MyEnum(enum.Enum):
...     A = 0
...     B = 1
...     C = 2
...
>>> list(MyEnum)
[<MyEnum.A: 0>, <MyEnum.B: 1>, <MyEnum.C: 2>]

>>> class MyFlag(enum.Flag):
...     A = 0
...     B = 1
...     C = 2
...
>>> list(MyFlag)
[<MyFlag.A: 0>, <MyFlag.B: 1>, <MyFlag.C: 2>]

>>> import sys; print(sys.version)
3.11.5 | packaged by conda-forge | (main, Aug 27 2023, 03:34:09) [GCC 12.3.0]

>>> import enum
>>> class MyEnum(enum.Enum):
...     A = 0
...     B = 1
...     C = 2
...
>>> list(MyEnum)
[<MyEnum.A: 0>, <MyEnum.B: 1>, <MyEnum.C: 2>]

>>> class MyFlag(enum.Flag):
...     A = 0
...     B = 1
...     C = 2
...
>>> list(MyFlag)
[<MyFlag.B: 1>, <MyFlag.C: 2>]  # Missing <MyFlag.A: 0> (!)