class_docstr: Coin Game environment.
code: def _switch_between_coin_color_at_each_generation(self):
      self.red_coin = 1 - self.red_coin
  
imports: import copy
  import gymnasium
  import logging
  import numpy
  from gymnasium.spaces import Discrete
  from gymnasium.utils import seeding
  from ray.rllib.env.multi_agent_env import MultiAgentEnv
  from ray.rllib.utils import override
  from typing import Dict, Optional
  from ray.rllib.examples.env.utils.interfaces import InfoAccumulationInterface
label_desc: Use image node_id 8 for calling the CoinGame obj's underlying member method code with example usage: obj._switch_between_coin_color_at_each_generation() without return types