class Car:
    def __init__(self,brand,year):
        self.brand=brand
        self.year=year
    
    class Engine:
        def __init__(self,E_num):
            self.E_number=E_num
        
        def start(self):
            print("Engine Started")

# Car("Audi",1999).Engine(1234).start()
c=Car("BMW",1995)
e=c.Engine(1234)
e.start()
        

6336f4a25cb8c36aa4d899778346f0b6482658a8
class Car:
    <mask token>


    class Engine:

        def __init__(self, E_num):
            self.E_number = E_num

        def start(self):
            print('Engine Started')


<mask token>

class Car:

    def __init__(self, brand, year):
        self.brand = brand
        self.year = year


    class Engine:

        def __init__(self, E_num):
            self.E_number = E_num

        def start(self):
            print('Engine Started')


<mask token>

class Car:

    def __init__(self, brand, year):
        self.brand = brand
        self.year = year


    class Engine:

        def __init__(self, E_num):
            self.E_number = E_num

        def start(self):
            print('Engine Started')


<mask token>
e.start()

class Car:

    def __init__(self, brand, year):
        self.brand = brand
        self.year = year


    class Engine:

        def __init__(self, E_num):
            self.E_number = E_num

        def start(self):
            print('Engine Started')


c = Car('BMW', 1995)
e = c.Engine(1234)
e.start()

class Car:
    def __init__(self,brand,year):
        self.brand=brand
        self.year=year
    
    class Engine:
        def __init__(self,E_num):
            self.E_number=E_num
        
        def start(self):
            print("Engine Started")

# Car("Audi",1999).Engine(1234).start()
c=Car("BMW",1995)
e=c.Engine(1234)
e.start()
        
