def step(self, model):
        self.random_move()
        living = True

        if model.grass:
            # Reduce energy
            self.energy -= 1

            # If there is grass available, eat it
            this_cell = model.grid.get_cell_list_contents([self.pos])
            grass_patch = [obj for obj in this_cell 
                           if isinstance(obj, GrassPatch)][0]
            if grass_patch.fully_grown:
                self.energy += model.sheep_gain_from_food
                grass_patch.fully_grown = False

            # Death
            if self.energy < 0:
                model.grid._remove_agent(self.pos, self)
                model.schedule.remove(self)
                living = False

        if living and random.random() < model.sheep_reproduce:
            # Create a new sheep:
            if model.grass:
                self.energy /= 2
            lamb = Sheep(self.grid, self.pos, self.moore, self.energy)
            model.grid.place_agent(lamb, self.pos)
            model.schedule.add(lamb)
Get a torrent file (see to get_file)
dataset/ETHPy150Open projectmesa/mesa/examples/WolfSheep/WolfSheep.py/Sheep.step--crossover with--dataset/ETHPy150Open darcyliu/storyboard/boto/s3/key.py/Key.get_torrent_file