def main():
# Initialises two Polynomial objects of the Polynomial class.
polynomialA = Polynomial([2, 0, 4, -1, 0, 6])
polynomialB = Polynomial([-1, -3, 0, 4.5])
# Prints the order of the first polynomial.
print("The order of Polynomial A is " + str(polynomialA.returnOrder()) + "\n")
# Initialises a third Polynomial object that is the sum of the first two.
polynomialC = polynomialA.addPolynomial(polynomialB)
# Prints the third polynomial as a formatted string.
print("The sum of Polynomial A and Polynomial B is:\n" + polynomialC.show() + "\n")
# Initialises a fourth polynomial that is the derivative of the first.
polynomialD = polynomialA.derivative()
# Prints the fourth polynomial as a formatted string.
print("The derivative of Polynomial A is:\n" + polynomialD.show() + "\n")
# Initialises a fifth polynomial that is the antiderivative of the fourth.
polynomialE = polynomialD.integral()
# Prints the fifth polynomial as a formatted string.
print("This is the antiderivative of the expression above:\n" + polynomialE.show() + "\n")
