# Auto-generated by loom_benchmarks.util.pytest_from_test_strings.
from solution import *  # noqa: F401,F403


def test_mbpp_2() -> None:
    assert set(common_in_nested_lists([[2, 3,4, 1], [4, 5], [6,4, 8],[4, 5], [6, 8,4]]))==set([4])