How to use the questionary.utils function in questionary

def test_default_values_of():
    def f(a, b=2, c=None, *args, **kwargs):
        pass

    defaults = utils.default_values_of(f)
    assert defaults == ["b", "c", "args", "kwargs"]

async def unsafe_ask_async(self, patch_stdout: bool = False) -> Any:
        """Ask the question using asyncio and return user response.

        Does not catch keyboard interrupts."""

        if not utils.ACTIVATED_ASYNC_MODE:
            await utils.activate_prompt_toolkit_async_mode()

        if patch_stdout:
            # with prompt_toolkit.patch_stdout.patch_stdout():
            return await self.application.run_async().to_asyncio_future()
        else:
            return await self.application.run_async().to_asyncio_future()

async def unsafe_ask_async(self, patch_stdout: bool = False) -> Any:
        """Ask the question using asyncio and return user response.

        Does not catch keyboard interrupts."""

        if not utils.ACTIVATED_ASYNC_MODE:
            await utils.activate_prompt_toolkit_async_mode()

        if patch_stdout:
            # with prompt_toolkit.patch_stdout.patch_stdout():
            return await self.application.run_async().to_asyncio_future()
        else:
            return await self.application.run_async().to_asyncio_future()