class_docstr: Coin Game environment.
code: def _generate_coin(self):
      self._switch_between_coin_color_at_each_generation()
      self._coin_position_different_from_players_positions()
  
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 7 for calling the CoinGame obj's underlying member method code with example usage: obj._generate_coin() without return types