from Aircraft import Aircraft # this runs without an error but doesn't give me the output I expected jumbo = Aircraft("747") print("About to start preparing a ", jumbo.planeType, " for takeoff") jumbo.addFuel(30) jumbo.printStatus() jumbo.fuelCheck() jumbo.fly(500) airbus = Aircraft("A330") print("About to start preparing a ", airbus.planeType, " for takeoff") airbus.addFuel(2000) airbus.printStatus() airbus.fuelCheck() airbus.fly(1000) boeing = Aircraft("737") print("About to start preparing a ", boeing.planeType, " for takeoff") fuelInTruck = 50000 fuelInTruck = boeing.addFuel(fuelInTruck) boeing.printStatus() boeing.fuelCheck() boeing.fly(5000) print("Fuel Truck still has: ", fuelInTruck)