Inheritance example

class Vehicle:
    def __init__(self):
        self.type=None
        self.name=None
        self.color=None
        self.max_speed=None

class Car(Vehicle):
    def __init__(self):
        Vehicle.__init__(self)

class Byke(Vehicle):
    def __init__(self):
        Vehicle.__init__(self)

myCar = Car()
myCar.max_speed = 180

yourByke = Byke()
yourByke.max_speed = 60

print(myCar.max_speed)
print(yourByke.max_speed)