def test_mul():
#Multiplies
p = Polynomial([1,2,3])
c = 2
assert Polynomial.__mul__(p,c) == [2,4,6]
def test_add():
#check if polynomial p and q is added together correctly by class polynomial
p = Polynomial([0, 3, 0, 5])
q = Polynomial([1, 2, 4, 0])
r = Polynomial([1, 5, 4, 5])
assert p + q != r
def test_sub():
#check if polynomial p and q is subtracted correctly by class polynomial
p = Polynomial([0, 3, 0, 5])
q = Polynomial([1, 2, 4, 0])
assert p - q != Polynomial([-1, 1, -4, 5])
def test_degree():
#check if class Polynomial returns correct polynomial degree
p = Polynomial([1, 2, 3, 0])
assert p.degree() == 2
p = Polynomial([1, 2, 0, 4])
#print p.__repr__()
#test_add()
r = p.__mul__(2.2)
print r.__repr__()
