code: def assert_obs_is_symmetrical(obs, env):
      assert np.all(
          obs[env.players_ids[0]][..., 0]
          == obs[env.players_ids[1]][..., 1]
      )
      assert np.all(
          obs[env.players_ids[1]][..., 0]
          == obs[env.players_ids[0]][..., 1]
      )
      assert np.all(
          obs[env.players_ids[0]][..., 2]
          == obs[env.players_ids[1]][..., 3]
      )
      assert np.all(
          obs[env.players_ids[1]][..., 2]
          == obs[env.players_ids[0]][..., 3]
      )
  
imports: import random
  import numpy
  from ray.rllib.examples.env.coin_game_non_vectorized_env import CoinGame, AsymCoinGame
label_desc: Use image node_id 23 for calling a global function with example usage: assert_obs_is_symmetrical(obs, env) without return types