simple-example-class-car.py

class Car:
    numberOfCars = 0
    def __init__(self, color, brand, model):
        self.color = color
        self.brand = brand
        self.model = model
        self.engine = 'off'
        Car.numberOfCars += 1 
      
    def startEngine(self):
        self.engine = 'on'
        print('engine is now started')
     
    def isEngineOn(self):
        return self.engine == 'on'
  
  
myCar = Car('gray', 'volvo', 'cheapest model')
yourCar = Car('blue', 'tesla', 'x')

print(myCar.isEngineOn()) # False
print(myCar.color) # gray

print(yourCar.model) # x

# this is an example on how a class variable can
# be used to count how many objects of that class
# were instantiated (created)
print(Car.numberOfCars) # 2