text: from rl_coach.agents.actor_critic_agent import ActorCriticAgentParameters
  from rl_coach.architectures.middleware_parameters import LSTMMiddlewareParameters
  from rl_coach.base_parameters import VisualizationParameters, MiddlewareScheme, PresetValidationParameters
  from rl_coach.core_types import TrainingSteps, EnvironmentEpisodes, EnvironmentSteps
  from rl_coach.environments.environment import SingleLevelSelection
  from rl_coach.environments.gym_environment import Atari, atari_deterministic_v4
  from rl_coach.graph_managers.basic_rl_graph_manager import BasicRLGraphManager
  from rl_coach.graph_managers.graph_manager import ScheduleParameters
  
  ####################
  # Graph Scheduling #
  ####################
  schedule_params = ScheduleParameters()
  schedule_params.improve_steps = TrainingSteps(10000000000)
  schedule_params.steps_between_evaluation_periods = EnvironmentEpisodes(100)
  schedule_params.evaluation_steps = EnvironmentEpisodes(3)
  schedule_params.heatup_steps = EnvironmentSteps(10000)
  
  #########
  # Agent #
  #########
  agent_params = ActorCriticAgentParameters()
  
  agent_params.algorithm.apply_gradients_every_x_episodes = 1
  agent_params.algorithm.num_steps_between_gradient_updates = 20
  agent_params.algorithm.beta_entropy = 0.05
  
  agent_params.network_wrappers['main'].learning_rate = 0.0001
  agent_params.network_wrappers['main'].middleware_parameters = LSTMMiddlewareParameters(scheme=MiddlewareScheme.Medium,
                                                                                         number_of_lstm_cells=256)
  
  ###############
  # Environment #
  ###############
  env_params = Atari(level=SingleLevelSelection(atari_deterministic_v4))
  
  ########
  # Test #
  ########
  preset_validation_params = PresetValidationParameters()
  preset_validation_params.trace_test_levels = ['breakout', 'pong', 'space_invaders']
  
  graph_manager = BasicRLGraphManager(agent_params=agent_params, env_params=env_params,
                                      schedule_params=schedule_params, vis_params=VisualizationParameters(),
                                      preset_validation_params=preset_validation_params)
  