def complex_python_func(
        a: int,
        b: float,
        c: str,
        d: bool,
        e: list[str],
        f: dict[str, int],
        g: Variant,
        h: dict[str, list[int]],
        i: dict[str, list[dict[str, list[int]]]],
    ) -> dict[str, list[str]]:
        """
        A complex function that processes various types.

        Args:
            a: an int
            b: a float
            c: a string
            d: a bool
            e: a list of strings
            f: a dict mapping strings to ints
            g: a variant value
            h: a dict mapping strings to lists of ints
            i: a dict mapping strings to lists of dicts mapping strings to lists of ints

        Returns:
            dict[str, list[str]]: A dictionary with a single key "result" and a list of string representations.
        """

        def _helper(x: float) -> int:
            return int(x) + a

        return {"result": [str(a), str(b), c, str(d), ",".join(e), str(f), str(g), str(h), str(i)]}

        A complex function that processes various types.

        Args:
            a: an int
            b: a float
            c: a string
            d: a bool
            e: a list of strings
            f: a dict mapping strings to ints
            g: a variant value
            h: a dict mapping strings to lists of ints
            i: a dict mapping strings to lists of dicts mapping strings to lists of ints

        Returns:
            dict[str, list[str]]: A dictionary with a single key "result" and a list of string representations.
        
ai/core/tests/core/databricks/test_databricks_integration_tests.py