from collections.abc import Sequence from typing import Final __all__ = ["iskeyword", "issoftkeyword", "kwlist", "softkwlist"] def iskeyword(s: str, /) -> bool: ... # a list at runtime, but you're not meant to mutate it; # type it as a sequence kwlist: Final[Sequence[str]] def issoftkeyword(s: str, /) -> bool: ... # a list at runtime, but you're not meant to mutate it; # type it as a sequence softkwlist: Final[Sequence[str]]