Untitled

```python
class Car:
    def __init__(self, make, model, year):
        self.make = make
        self.model = model
        self.year = year
        self.odometer_reading = 0

    def get_descriptive_name(self):
        long_name = f"{self.year} {self.make} {self.model}"
        return long_name.title()

    def read_odometer(self):
        print(f"This car has {self.odometer_reading} miles on it.")

    def update_odometer(self, mileage):
        if mileage >= self.odometer_reading:
            self.odometer_reading = mileage
        else:
            print("You can't roll back an odometer!")

    def increment_odometer(self, miles):
        self.odometer_reading += miles

# Create an instance of Car
my_car = Car('Audi', 'A4', 2020)

# Display car details
print(my_car.get_descriptive_name())

# Update and read odometer
my_car.update_odometer(10000)
my_car.read_odometer()

# Increment odometer and read again
my_car.increment_odometer(500)
my_car.read_odometer()