Have order_Bob order for one of each percussion family instrument and order_Alice order for one of each string family instrument. [Hint: Walkthrough the instrument list and add percussion family instruments in the orders list of order_Bob, and string family instruments in the orders list of order_Alice. Make use of the add_instrument(self, instrument) method.] Once the order list of Bob and Alice is populated, output the total price of all the instruments in each list, see the output below.