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


def test_mbpp_2() -> None:
    assert set(extract_singly([(7, 8, 9), (10, 11, 12), (10, 11)])) == set([7, 8, 9, 10, 11, 12])