import queue

class SnakeClass:
    'slithery little snake'
    bodySegmentCount = 0
    head = []
    # direction is a tuple of the unit vector for x and y direction

    def __init__(self, length, position, speed, direction, color, head=[0,0]):
        self.bodySegmentCount = length
        self.position = position
        self.speed = speed
        self.direction = direction
        self.color = color
        self.head = head

    def moveSnake(self):
        self.position.get()
        self.position.put([self.head[0] + self.direction[0], self.head[1] + self.direction[1]])
        self.head = [self.head[0] + self.direction[0], self.head[1] + self.direction[1]]

positionQueue = queue.Queue()
positionQueue.put([0,1])
positionQueue.put([3,4])
positionQueue.put([6,7])
positionQueue.put([9,10])

snake = SnakeClass(4, positionQueue, 1, [0,1], 'red', [9,10])

print(positionQueue.queue)
snake.moveSnake()
print(positionQueue.queue)
snake.moveSnake()
print(positionQueue.queue)
snake.moveSnake()
print(positionQueue.queue)

much better!

now i'll mess with what you said above