def test_scenario2(): well_formed = sq.is_well_formed('[)') assert not well_formed
def test_scenario8(): well_formed = sq.is_well_formed('}{') assert not well_formed
def test_scenario7(): well_formed = sq.is_well_formed('') assert well_formed
def test_scenario1(): well_formed = sq.is_well_formed('()') assert well_formed
def test_scenario4(): well_formed = sq.is_well_formed('([{}]]') assert not well_formed
def test_scenario3(): well_formed = sq.is_well_formed('[({[([])]})]') assert well_formed