"""
Create a class called 'Turtle'

Turtle must include the following:
    Two instance variables 'x' and 'y'
        Both default to 0, but can be specified at initialization
    Four methods
        move_up: increments y by number given
        move_up: decrements y by number given
        move_right: increments x by number given
        move_left: decrements x by number given
    One property
        position: returns x, y
"""

# Turtle class goes here

if __name__ == '__main__':

    donatello = Turtle()

    donatello.move_left(2)
    donatello.move_up(6)
    donatello.move_right(1)
    donatello.move_down(4)
    print(donatello.position)
    # (-1, 2)

    leonardo = Turtle(5,4)

    leonardo.move_right(10)
    leonardo.move_up(4)
    leonardo.move_left(3)
    leonardo.move_down(2)
    print(leonardo.position)
    # (12, 6)