def __init__(self, pos):
self.id_type = "snake"
super(Snake, self).__init__(source=self.animal_sprites["snake"],
pos=pos)
self.num_moves = 1
self.target = None
self.body = SnakeBod(self.coords)
self.skip_from_prune = False
self.lastcoords = None
self.digesting = None
