def test_monomial_grevlex_key(): assert monomial_grevlex_key((1,2,3)) == (6, (-3,-2,-1))
def test_monomial_grevlex_key(): assert monomial_grevlex_key((1,2,3)) == (6, (3,2,1))
def test_monomial_grevlex_key(): assert monomial_grevlex_key((1, 2, 3)) == (6, (-3, -2, -1))