from Person import Person from Bike import Bike class Driving(): # Need not to Inherit def __init__(self): print('This is Driving Class') person = Person() bike = Bike() person.personName() person.IsPersonReady() person.turnOnBike() bike.EngineON() ## you can still change it but it's not adviced person.bike.__gear = 50 #You can't access it though print(person.bike.__Gear) while True: g = input('Enter U for Gear UP or and D for Down \n') person.changeGear(g) print('Current Gear is ', person.bike.__Gear)