class Car():

    def __init__(self, make, name, year):
        self.make = make
        self.name = name
        self.year = year
        self.odometr_reading = 0

    def get_des(self):
        long_name = str(self.year) + ' ' + self.name + ' ' + self.make
        return long_name
    def odometr(self):
        print("samochod przejechal " + str(self.odometr_reading) + "km")
    def zmiana(self, value):
        if value >= self.odometr():
            value = self.odometr()
        else:
            print("nie mozna cofnąc licznika")
    def inkrement(self, km):
        self.odometr += km


class ElectricCar(Car):

    def _init_(self, make, model, year):
       super().__init__(make, model, year)
       self.battery_size = 80
    def des_battery(self):
        print('Bateria ma wielkosc' + str(self.battery_size))

my_tesla = ElectricCar('tesla', 'model s', 2018)
print(my_tesla.get_des())
my_tesla.des_battery()