# Use VPG to Play CartPole-v0¶

PyTorch version

In [1]:

    %matplotlib inline

    import sys
    import logging
    import itertools

    import numpy as np
    np.random.seed(0)
    import pandas as pd
    import gym
    import matplotlib.pyplot as plt
    import torch
    torch.manual_seed(0)
    import torch.nn as nn
    import torch.optim as optim
    import torch.distributions as distributions

    logging.basicConfig(level=logging.INFO,
            format='%(asctime)s [%(levelname)s] %(message)s',
            stream=sys.stdout, datefmt='%H:%M:%S')

In [2]:

    env = gym.make('CartPole-v0')
    for key in vars(env):
        logging.info('%s: %s', key, vars(env)[key])
    for key in vars(env.spec):
        logging.info('%s: %s', key, vars(env.spec)[key])

    22:53:56 [INFO] env: <CartPoleEnv<CartPole-v0>>
    22:53:56 [INFO] action_space: Discrete(2)
    22:53:56 [INFO] observation_space: Box(-3.4028234663852886e+38, 3.4028234663852886e+38, (4,), float32)
    22:53:56 [INFO] reward_range: (-inf, inf)
    22:53:56 [INFO] metadata: {'render.modes': ['human', 'rgb_array'], 'video.frames_per_second': 50}
    22:53:56 [INFO] _max_episode_steps: 200
    22:53:56 [INFO] _elapsed_steps: None
    22:53:56 [INFO] id: CartPole-v0
    22:53:56 [INFO] entry_point: gym.envs.classic_control:CartPoleEnv
    22:53:56 [INFO] reward_threshold: 195.0
    22:53:56 [INFO] nondeterministic: False
    22:53:56 [INFO] max_episode_steps: 200
    22:53:56 [INFO] _kwargs: {}
    22:53:56 [INFO] _env_name: CartPole

In [3]:

    class VPGAgent:
        def __init__(self, env,):
            self.action_n = env.action_space.n
            self.gamma = 0.99

            self.policy_net = self.build_net(
                    input_size=env.observation_space.shape[0],
                    hidden_sizes=[],
                    output_size=self.action_n, output_activator=nn.Softmax(1))
            self.optimizer = optim.Adam(self.policy_net.parameters(), lr=0.005)

        def build_net(self, input_size, hidden_sizes, output_size,
                output_activator=None, use_bias=False):
            layers = []
            for input_size, output_size in zip(
                    [input_size,] + hidden_sizes, hidden_sizes + [output_size,]):
                layers.append(nn.Linear(input_size, output_size, bias=use_bias))
                layers.append(nn.ReLU())
            layers = layers[:-1]
            if output_activator:
                layers.append(output_activator)
            model = nn.Sequential(*layers)
            return model

        def reset(self, mode=None):
            self.mode = mode
            if self.mode == 'train':
                self.trajectory = []

        def step(self, observation, reward, terminated):
            state_tensor = torch.as_tensor(observation, dtype=torch.float).unsqueeze(0)
            prob_tensor = self.policy_net(state_tensor)
            action_tensor = distributions.Categorical(prob_tensor).sample()
            action = action_tensor.numpy()[0]
            if self.mode == 'train':
                self.trajectory += [observation, reward, terminated, action]
            return action

        def close(self):
            if self.mode == 'train':
                self.learn()

        def learn(self):
            state_tensor = torch.as_tensor(self.trajectory[0::4], dtype=torch.float)
            reward_tensor = torch.as_tensor(self.trajectory[1::4], dtype=torch.float)
            action_tensor = torch.as_tensor(self.trajectory[3::4], dtype=torch.long)
            arange_tensor = torch.arange(state_tensor.shape[0], dtype=torch.float)
            discount_tensor = self.gamma ** arange_tensor
            discounted_reward_tensor = discount_tensor * reward_tensor
            discounted_return_tensor = discounted_reward_tensor.flip(0).cumsum(0).flip(0)
            all_pi_tensor = self.policy_net(state_tensor)
            pi_tensor = torch.gather(all_pi_tensor, 1,
                    action_tensor.unsqueeze(1)).squeeze(1)
            log_pi_tensor = torch.log(torch.clamp(pi_tensor, 1e-6, 1.))
            loss_tensor = -(discounted_return_tensor * log_pi_tensor).mean()
            self.optimizer.zero_grad()
            loss_tensor.backward()
            self.optimizer.step()

    agent = VPGAgent(env)

In [4]:

    def play_episode(env, agent, seed=None, mode=None, render=False):
        observation, _ = env.reset(seed=seed)
        reward, terminated, truncated = 0., False, False
        agent.reset(mode=mode)
        episode_reward, elapsed_steps = 0., 0
        while True:
            action = agent.step(observation, reward, terminated)
            if render:
                env.render()
            if terminated or truncated:
                break
            observation, reward, terminated, truncated, _ = env.step(action)
            episode_reward += reward
            elapsed_steps += 1
        agent.close()
        return episode_reward, elapsed_steps

    logging.info('==== train ====')
    episode_rewards = []
    for episode in itertools.count():
        episode_reward, elapsed_steps = play_episode(env, agent, seed=episode,
                mode='train')
        episode_rewards.append(episode_reward)
        logging.info('train episode %d: reward = %.2f, steps = %d',
                episode, episode_reward, elapsed_steps)
        if np.mean(episode_rewards[-20:]) > 199:
            break
    plt.plot(episode_rewards)

    logging.info('==== test ====')
    episode_rewards = []
    for episode in range(100):
        episode_reward, elapsed_steps = play_episode(env, agent)
        episode_rewards.append(episode_reward)
        logging.info('test episode %d: reward = %.2f, steps = %d',
                episode, episode_reward, elapsed_steps)
    logging.info('average episode reward = %.2f ± %.2f',
            np.mean(episode_rewards), np.std(episode_rewards))

    22:53:56 [INFO] ==== train ====
    22:53:56 [INFO] train episode 0: reward = 72.00, steps = 72
    22:53:56 [INFO] train episode 1: reward = 50.00, steps = 50
    22:53:56 [INFO] train episode 2: reward = 40.00, steps = 40
    22:53:56 [INFO] train episode 3: reward = 46.00, steps = 46
    22:53:56 [INFO] train episode 4: reward = 24.00, steps = 24
    22:53:56 [INFO] train episode 5: reward = 128.00, steps = 128
    22:53:56 [INFO] train episode 6: reward = 74.00, steps = 74
    22:53:56 [INFO] train episode 7: reward = 53.00, steps = 53
    22:53:56 [INFO] train episode 8: reward = 29.00, steps = 29
    22:53:56 [INFO] train episode 9: reward = 44.00, steps = 44
    22:53:56 [INFO] train episode 10: reward = 75.00, steps = 75
    22:53:56 [INFO] train episode 11: reward = 34.00, steps = 34
    22:53:56 [INFO] train episode 12: reward = 69.00, steps = 69
    22:53:56 [INFO] train episode 13: reward = 18.00, steps = 18
    22:53:56 [INFO] train episode 14: reward = 19.00, steps = 19
    22:53:56 [INFO] train episode 15: reward = 11.00, steps = 11
    22:53:56 [INFO] train episode 16: reward = 19.00, steps = 19
    22:53:56 [INFO] train episode 17: reward = 27.00, steps = 27
    22:53:56 [INFO] train episode 18: reward = 17.00, steps = 17
    22:53:56 [INFO] train episode 19: reward = 47.00, steps = 47
    22:53:56 [INFO] train episode 20: reward = 36.00, steps = 36
    22:53:56 [INFO] train episode 21: reward = 42.00, steps = 42
    22:53:56 [INFO] train episode 22: reward = 52.00, steps = 52
    22:53:56 [INFO] train episode 23: reward = 16.00, steps = 16
    22:53:56 [INFO] train episode 24: reward = 26.00, steps = 26
    22:53:56 [INFO] train episode 25: reward = 50.00, steps = 50
    22:53:56 [INFO] train episode 26: reward = 20.00, steps = 20
    22:53:56 [INFO] train episode 27: reward = 36.00, steps = 36
    22:53:56 [INFO] train episode 28: reward = 22.00, steps = 22
    22:53:56 [INFO] train episode 29: reward = 76.00, steps = 76
    22:53:56 [INFO] train episode 30: reward = 12.00, steps = 12
    22:53:56 [INFO] train episode 31: reward = 26.00, steps = 26
    22:53:56 [INFO] train episode 32: reward = 84.00, steps = 84
    22:53:56 [INFO] train episode 33: reward = 48.00, steps = 48
    22:53:56 [INFO] train episode 34: reward = 18.00, steps = 18
    22:53:56 [INFO] train episode 35: reward = 55.00, steps = 55
    22:53:56 [INFO] train episode 36: reward = 24.00, steps = 24
    22:53:56 [INFO] train episode 37: reward = 23.00, steps = 23
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    22:53:56 [INFO] train episode 39: reward = 21.00, steps = 21
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    22:53:56 [INFO] train episode 41: reward = 55.00, steps = 55
    22:53:56 [INFO] train episode 42: reward = 33.00, steps = 33
    22:53:57 [INFO] train episode 43: reward = 78.00, steps = 78
    22:53:57 [INFO] train episode 44: reward = 30.00, steps = 30
    22:53:57 [INFO] train episode 45: reward = 20.00, steps = 20
    22:53:57 [INFO] train episode 46: reward = 40.00, steps = 40
    22:53:57 [INFO] train episode 47: reward = 42.00, steps = 42
    22:53:57 [INFO] train episode 48: reward = 24.00, steps = 24
    22:53:57 [INFO] train episode 49: reward = 15.00, steps = 15
    22:53:57 [INFO] train episode 50: reward = 36.00, steps = 36
    22:53:57 [INFO] train episode 51: reward = 40.00, steps = 40
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    22:53:57 [INFO] train episode 57: reward = 50.00, steps = 50
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    22:53:57 [INFO] train episode 60: reward = 31.00, steps = 31
    22:53:57 [INFO] train episode 61: reward = 44.00, steps = 44
    22:53:57 [INFO] train episode 62: reward = 86.00, steps = 86
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    22:53:57 [INFO] train episode 73: reward = 105.00, steps = 105
    22:53:57 [INFO] train episode 74: reward = 44.00, steps = 44
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    22:53:57 [INFO] train episode 76: reward = 29.00, steps = 29
    22:53:57 [INFO] train episode 77: reward = 33.00, steps = 33
    22:53:57 [INFO] train episode 78: reward = 56.00, steps = 56
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    22:53:57 [INFO] train episode 80: reward = 90.00, steps = 90
    22:53:57 [INFO] train episode 81: reward = 40.00, steps = 40
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    22:53:57 [INFO] train episode 84: reward = 36.00, steps = 36
    22:53:57 [INFO] train episode 85: reward = 65.00, steps = 65
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    22:53:57 [INFO] train episode 87: reward = 53.00, steps = 53
    22:53:57 [INFO] train episode 88: reward = 21.00, steps = 21
    22:53:57 [INFO] train episode 89: reward = 57.00, steps = 57
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    22:53:57 [INFO] train episode 94: reward = 42.00, steps = 42
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    22:53:57 [INFO] train episode 96: reward = 109.00, steps = 109
    22:53:57 [INFO] train episode 97: reward = 32.00, steps = 32
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    22:53:57 [INFO] train episode 100: reward = 42.00, steps = 42
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    22:53:57 [INFO] train episode 104: reward = 46.00, steps = 46
    22:53:57 [INFO] train episode 105: reward = 50.00, steps = 50
    22:53:58 [INFO] train episode 106: reward = 79.00, steps = 79
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    22:53:58 [INFO] train episode 111: reward = 50.00, steps = 50
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    22:53:58 [INFO] train episode 117: reward = 86.00, steps = 86
    22:53:58 [INFO] train episode 118: reward = 55.00, steps = 55
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    22:53:58 [INFO] train episode 133: reward = 50.00, steps = 50
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    22:53:58 [INFO] train episode 150: reward = 47.00, steps = 47
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    22:54:10 [INFO] train episode 599: reward = 50.00, steps = 50
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    22:54:11 [INFO] train episode 622: reward = 60.00, steps = 60
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    22:54:11 [INFO] train episode 624: reward = 58.00, steps = 58
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    22:54:11 [INFO] train episode 627: reward = 28.00, steps = 28
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    22:54:11 [INFO] train episode 629: reward = 53.00, steps = 53
    22:54:11 [INFO] train episode 630: reward = 167.00, steps = 167
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    22:54:11 [INFO] train episode 632: reward = 72.00, steps = 72
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    22:54:11 [INFO] train episode 634: reward = 51.00, steps = 51
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    22:54:12 [INFO] train episode 641: reward = 200.00, steps = 200
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    22:54:12 [INFO] train episode 647: reward = 144.00, steps = 144
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    22:54:12 [INFO] train episode 650: reward = 200.00, steps = 200
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    22:54:12 [INFO] train episode 655: reward = 16.00, steps = 16
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    22:54:13 [INFO] train episode 661: reward = 200.00, steps = 200
    22:54:13 [INFO] train episode 662: reward = 148.00, steps = 148
    22:54:13 [INFO] train episode 663: reward = 68.00, steps = 68
    22:54:13 [INFO] train episode 664: reward = 63.00, steps = 63
    22:54:13 [INFO] train episode 665: reward = 200.00, steps = 200
    22:54:13 [INFO] train episode 666: reward = 52.00, steps = 52
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    22:54:13 [INFO] train episode 668: reward = 32.00, steps = 32
    22:54:13 [INFO] train episode 669: reward = 58.00, steps = 58
    22:54:13 [INFO] train episode 670: reward = 100.00, steps = 100
    22:54:13 [INFO] train episode 671: reward = 200.00, steps = 200
    22:54:13 [INFO] train episode 672: reward = 173.00, steps = 173
    22:54:13 [INFO] train episode 673: reward = 89.00, steps = 89
    22:54:13 [INFO] train episode 674: reward = 69.00, steps = 69
    22:54:13 [INFO] train episode 675: reward = 44.00, steps = 44
    22:54:13 [INFO] train episode 676: reward = 20.00, steps = 20
    22:54:13 [INFO] train episode 677: reward = 17.00, steps = 17
    22:54:13 [INFO] train episode 678: reward = 200.00, steps = 200
    22:54:13 [INFO] train episode 679: reward = 71.00, steps = 71
    22:54:13 [INFO] train episode 680: reward = 200.00, steps = 200
    22:54:13 [INFO] train episode 681: reward = 198.00, steps = 198
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    22:54:14 [INFO] train episode 690: reward = 175.00, steps = 175
    22:54:14 [INFO] train episode 691: reward = 189.00, steps = 189
    22:54:14 [INFO] train episode 692: reward = 30.00, steps = 30
    22:54:14 [INFO] train episode 693: reward = 80.00, steps = 80
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    22:54:14 [INFO] train episode 695: reward = 200.00, steps = 200
    22:54:14 [INFO] train episode 696: reward = 62.00, steps = 62
    22:54:14 [INFO] train episode 697: reward = 75.00, steps = 75
    22:54:14 [INFO] train episode 698: reward = 168.00, steps = 168
    22:54:14 [INFO] train episode 699: reward = 111.00, steps = 111
    22:54:14 [INFO] train episode 700: reward = 154.00, steps = 154
    22:54:14 [INFO] train episode 701: reward = 115.00, steps = 115
    22:54:14 [INFO] train episode 702: reward = 180.00, steps = 180
    22:54:14 [INFO] train episode 703: reward = 110.00, steps = 110
    22:54:14 [INFO] train episode 704: reward = 200.00, steps = 200
    22:54:14 [INFO] train episode 705: reward = 34.00, steps = 34
    22:54:14 [INFO] train episode 706: reward = 76.00, steps = 76
    22:54:15 [INFO] train episode 707: reward = 172.00, steps = 172
    22:54:15 [INFO] train episode 708: reward = 55.00, steps = 55
    22:54:15 [INFO] train episode 709: reward = 97.00, steps = 97
    22:54:15 [INFO] train episode 710: reward = 200.00, steps = 200
    22:54:15 [INFO] train episode 711: reward = 101.00, steps = 101
    22:54:15 [INFO] train episode 712: reward = 139.00, steps = 139
    22:54:15 [INFO] train episode 713: reward = 65.00, steps = 65
    22:54:15 [INFO] train episode 714: reward = 200.00, steps = 200
    22:54:15 [INFO] train episode 715: reward = 200.00, steps = 200
    22:54:15 [INFO] train episode 716: reward = 171.00, steps = 171
    22:54:15 [INFO] train episode 717: reward = 139.00, steps = 139
    22:54:15 [INFO] train episode 718: reward = 200.00, steps = 200
    22:54:15 [INFO] train episode 719: reward = 51.00, steps = 51
    22:54:15 [INFO] train episode 720: reward = 159.00, steps = 159
    22:54:15 [INFO] train episode 721: reward = 105.00, steps = 105
    22:54:15 [INFO] train episode 722: reward = 69.00, steps = 69
    22:54:15 [INFO] train episode 723: reward = 51.00, steps = 51
    22:54:15 [INFO] train episode 724: reward = 104.00, steps = 104
    22:54:15 [INFO] train episode 725: reward = 35.00, steps = 35
    22:54:15 [INFO] train episode 726: reward = 49.00, steps = 49
    22:54:16 [INFO] train episode 727: reward = 176.00, steps = 176
    22:54:16 [INFO] train episode 728: reward = 97.00, steps = 97
    22:54:16 [INFO] train episode 729: reward = 15.00, steps = 15
    22:54:16 [INFO] train episode 730: reward = 113.00, steps = 113
    22:54:16 [INFO] train episode 731: reward = 200.00, steps = 200
    22:54:16 [INFO] train episode 732: reward = 70.00, steps = 70
    22:54:16 [INFO] train episode 733: reward = 145.00, steps = 145
    22:54:16 [INFO] train episode 734: reward = 71.00, steps = 71
    22:54:16 [INFO] train episode 735: reward = 168.00, steps = 168
    22:54:16 [INFO] train episode 736: reward = 178.00, steps = 178
    22:54:16 [INFO] train episode 737: reward = 108.00, steps = 108
    22:54:16 [INFO] train episode 738: reward = 137.00, steps = 137
    22:54:16 [INFO] train episode 739: reward = 161.00, steps = 161
    22:54:16 [INFO] train episode 740: reward = 160.00, steps = 160
    22:54:16 [INFO] train episode 741: reward = 35.00, steps = 35
    22:54:16 [INFO] train episode 742: reward = 200.00, steps = 200
    22:54:16 [INFO] train episode 743: reward = 65.00, steps = 65
    22:54:16 [INFO] train episode 744: reward = 156.00, steps = 156
    22:54:16 [INFO] train episode 745: reward = 13.00, steps = 13
    22:54:16 [INFO] train episode 746: reward = 93.00, steps = 93
    22:54:17 [INFO] train episode 747: reward = 200.00, steps = 200
    22:54:17 [INFO] train episode 748: reward = 148.00, steps = 148
    22:54:17 [INFO] train episode 749: reward = 172.00, steps = 172
    22:54:17 [INFO] train episode 750: reward = 96.00, steps = 96
    22:54:17 [INFO] train episode 751: reward = 154.00, steps = 154
    22:54:17 [INFO] train episode 752: reward = 200.00, steps = 200
    22:54:17 [INFO] train episode 753: reward = 37.00, steps = 37
    22:54:17 [INFO] train episode 754: reward = 127.00, steps = 127
    22:54:17 [INFO] train episode 755: reward = 200.00, steps = 200
    22:54:17 [INFO] train episode 756: reward = 200.00, steps = 200
    22:54:17 [INFO] train episode 757: reward = 33.00, steps = 33
    22:54:17 [INFO] train episode 758: reward = 108.00, steps = 108
    22:54:17 [INFO] train episode 759: reward = 72.00, steps = 72
    22:54:17 [INFO] train episode 760: reward = 156.00, steps = 156
    22:54:17 [INFO] train episode 761: reward = 149.00, steps = 149
    22:54:17 [INFO] train episode 762: reward = 23.00, steps = 23
    22:54:17 [INFO] train episode 763: reward = 200.00, steps = 200
    22:54:18 [INFO] train episode 764: reward = 155.00, steps = 155
    22:54:18 [INFO] train episode 765: reward = 110.00, steps = 110
    22:54:18 [INFO] train episode 766: reward = 181.00, steps = 181
    22:54:18 [INFO] train episode 767: reward = 76.00, steps = 76
    22:54:18 [INFO] train episode 768: reward = 61.00, steps = 61
    22:54:18 [INFO] train episode 769: reward = 124.00, steps = 124
    22:54:18 [INFO] train episode 770: reward = 34.00, steps = 34
    22:54:18 [INFO] train episode 771: reward = 166.00, steps = 166
    22:54:18 [INFO] train episode 772: reward = 200.00, steps = 200
    22:54:18 [INFO] train episode 773: reward = 180.00, steps = 180
    22:54:18 [INFO] train episode 774: reward = 200.00, steps = 200
    22:54:18 [INFO] train episode 775: reward = 118.00, steps = 118
    22:54:18 [INFO] train episode 776: reward = 125.00, steps = 125
    22:54:18 [INFO] train episode 777: reward = 55.00, steps = 55
    22:54:18 [INFO] train episode 778: reward = 21.00, steps = 21
    22:54:18 [INFO] train episode 779: reward = 139.00, steps = 139
    22:54:18 [INFO] train episode 780: reward = 43.00, steps = 43
    22:54:19 [INFO] train episode 781: reward = 122.00, steps = 122
    22:54:19 [INFO] train episode 782: reward = 163.00, steps = 163
    22:54:19 [INFO] train episode 783: reward = 200.00, steps = 200
    22:54:19 [INFO] train episode 784: reward = 146.00, steps = 146
    22:54:19 [INFO] train episode 785: reward = 70.00, steps = 70
    22:54:19 [INFO] train episode 786: reward = 66.00, steps = 66
    22:54:19 [INFO] train episode 787: reward = 200.00, steps = 200
    22:54:19 [INFO] train episode 788: reward = 200.00, steps = 200
    22:54:19 [INFO] train episode 789: reward = 143.00, steps = 143
    22:54:19 [INFO] train episode 790: reward = 35.00, steps = 35
    22:54:19 [INFO] train episode 791: reward = 200.00, steps = 200
    22:54:19 [INFO] train episode 792: reward = 88.00, steps = 88
    22:54:19 [INFO] train episode 793: reward = 198.00, steps = 198
    22:54:19 [INFO] train episode 794: reward = 117.00, steps = 117
    22:54:19 [INFO] train episode 795: reward = 199.00, steps = 199
    22:54:20 [INFO] train episode 796: reward = 200.00, steps = 200
    22:54:20 [INFO] train episode 797: reward = 182.00, steps = 182
    22:54:20 [INFO] train episode 798: reward = 56.00, steps = 56
    22:54:20 [INFO] train episode 799: reward = 19.00, steps = 19
    22:54:20 [INFO] train episode 800: reward = 67.00, steps = 67
    22:54:20 [INFO] train episode 801: reward = 200.00, steps = 200
    22:54:20 [INFO] train episode 802: reward = 107.00, steps = 107
    22:54:20 [INFO] train episode 803: reward = 187.00, steps = 187
    22:54:20 [INFO] train episode 804: reward = 195.00, steps = 195
    22:54:20 [INFO] train episode 805: reward = 64.00, steps = 64
    22:54:20 [INFO] train episode 806: reward = 200.00, steps = 200
    22:54:20 [INFO] train episode 807: reward = 200.00, steps = 200
    22:54:20 [INFO] train episode 808: reward = 47.00, steps = 47
    22:54:20 [INFO] train episode 809: reward = 128.00, steps = 128
    22:54:20 [INFO] train episode 810: reward = 63.00, steps = 63
    22:54:20 [INFO] train episode 811: reward = 126.00, steps = 126
    22:54:20 [INFO] train episode 812: reward = 125.00, steps = 125
    22:54:20 [INFO] train episode 813: reward = 190.00, steps = 190
    22:54:20 [INFO] train episode 814: reward = 200.00, steps = 200
    22:54:21 [INFO] train episode 815: reward = 50.00, steps = 50
    22:54:21 [INFO] train episode 816: reward = 200.00, steps = 200
    22:54:21 [INFO] train episode 817: reward = 137.00, steps = 137
    22:54:21 [INFO] train episode 818: reward = 73.00, steps = 73
    22:54:21 [INFO] train episode 819: reward = 200.00, steps = 200
    22:54:21 [INFO] train episode 820: reward = 200.00, steps = 200
    22:54:21 [INFO] train episode 821: reward = 200.00, steps = 200
    22:54:21 [INFO] train episode 822: reward = 116.00, steps = 116
    22:54:21 [INFO] train episode 823: reward = 200.00, steps = 200
    22:54:21 [INFO] train episode 824: reward = 54.00, steps = 54
    22:54:21 [INFO] train episode 825: reward = 200.00, steps = 200
    22:54:21 [INFO] train episode 826: reward = 79.00, steps = 79
    22:54:21 [INFO] train episode 827: reward = 71.00, steps = 71
    22:54:21 [INFO] train episode 828: reward = 200.00, steps = 200
    22:54:21 [INFO] train episode 829: reward = 200.00, steps = 200
    22:54:22 [INFO] train episode 830: reward = 194.00, steps = 194
    22:54:22 [INFO] train episode 831: reward = 134.00, steps = 134
    22:54:22 [INFO] train episode 832: reward = 15.00, steps = 15
    22:54:22 [INFO] train episode 833: reward = 113.00, steps = 113
    22:54:22 [INFO] train episode 834: reward = 131.00, steps = 131
    22:54:22 [INFO] train episode 835: reward = 73.00, steps = 73
    22:54:22 [INFO] train episode 836: reward = 114.00, steps = 114
    22:54:22 [INFO] train episode 837: reward = 162.00, steps = 162
    22:54:22 [INFO] train episode 838: reward = 45.00, steps = 45
    22:54:22 [INFO] train episode 839: reward = 63.00, steps = 63
    22:54:22 [INFO] train episode 840: reward = 61.00, steps = 61
    22:54:22 [INFO] train episode 841: reward = 173.00, steps = 173
    22:54:22 [INFO] train episode 842: reward = 200.00, steps = 200
    22:54:22 [INFO] train episode 843: reward = 164.00, steps = 164
    22:54:22 [INFO] train episode 844: reward = 116.00, steps = 116
    22:54:22 [INFO] train episode 845: reward = 124.00, steps = 124
    22:54:22 [INFO] train episode 846: reward = 86.00, steps = 86
    22:54:22 [INFO] train episode 847: reward = 31.00, steps = 31
    22:54:22 [INFO] train episode 848: reward = 170.00, steps = 170
    22:54:22 [INFO] train episode 849: reward = 27.00, steps = 27
    22:54:23 [INFO] train episode 850: reward = 63.00, steps = 63
    22:54:23 [INFO] train episode 851: reward = 20.00, steps = 20
    22:54:23 [INFO] train episode 852: reward = 200.00, steps = 200
    22:54:23 [INFO] train episode 853: reward = 200.00, steps = 200
    22:54:23 [INFO] train episode 854: reward = 22.00, steps = 22
    22:54:23 [INFO] train episode 855: reward = 128.00, steps = 128
    22:54:23 [INFO] train episode 856: reward = 186.00, steps = 186
    22:54:23 [INFO] train episode 857: reward = 108.00, steps = 108
    22:54:23 [INFO] train episode 858: reward = 103.00, steps = 103
    22:54:23 [INFO] train episode 859: reward = 40.00, steps = 40
    22:54:23 [INFO] train episode 860: reward = 42.00, steps = 42
    22:54:23 [INFO] train episode 861: reward = 200.00, steps = 200
    22:54:23 [INFO] train episode 862: reward = 150.00, steps = 150
    22:54:23 [INFO] train episode 863: reward = 200.00, steps = 200
    22:54:23 [INFO] train episode 864: reward = 200.00, steps = 200
    22:54:23 [INFO] train episode 865: reward = 123.00, steps = 123
    22:54:23 [INFO] train episode 866: reward = 200.00, steps = 200
    22:54:24 [INFO] train episode 867: reward = 163.00, steps = 163
    22:54:24 [INFO] train episode 868: reward = 122.00, steps = 122
    22:54:24 [INFO] train episode 869: reward = 197.00, steps = 197
    22:54:24 [INFO] train episode 870: reward = 200.00, steps = 200
    22:54:24 [INFO] train episode 871: reward = 158.00, steps = 158
    22:54:24 [INFO] train episode 872: reward = 200.00, steps = 200
    22:54:24 [INFO] train episode 873: reward = 114.00, steps = 114
    22:54:24 [INFO] train episode 874: reward = 191.00, steps = 191
    22:54:24 [INFO] train episode 875: reward = 200.00, steps = 200
    22:54:24 [INFO] train episode 876: reward = 200.00, steps = 200
    22:54:24 [INFO] train episode 877: reward = 200.00, steps = 200
    22:54:24 [INFO] train episode 878: reward = 182.00, steps = 182
    22:54:24 [INFO] train episode 879: reward = 130.00, steps = 130
    22:54:25 [INFO] train episode 880: reward = 200.00, steps = 200
    22:54:25 [INFO] train episode 881: reward = 200.00, steps = 200
    22:54:25 [INFO] train episode 882: reward = 200.00, steps = 200
    22:54:25 [INFO] train episode 883: reward = 30.00, steps = 30
    22:54:25 [INFO] train episode 884: reward = 200.00, steps = 200
    22:54:25 [INFO] train episode 885: reward = 102.00, steps = 102
    22:54:25 [INFO] train episode 886: reward = 42.00, steps = 42
    22:54:25 [INFO] train episode 887: reward = 99.00, steps = 99
    22:54:25 [INFO] train episode 888: reward = 200.00, steps = 200
    22:54:25 [INFO] train episode 889: reward = 135.00, steps = 135
    22:54:25 [INFO] train episode 890: reward = 18.00, steps = 18
    22:54:25 [INFO] train episode 891: reward = 173.00, steps = 173
    22:54:25 [INFO] train episode 892: reward = 200.00, steps = 200
    22:54:25 [INFO] train episode 893: reward = 32.00, steps = 32
    22:54:25 [INFO] train episode 894: reward = 100.00, steps = 100
    22:54:25 [INFO] train episode 895: reward = 200.00, steps = 200
    22:54:25 [INFO] train episode 896: reward = 25.00, steps = 25
    22:54:25 [INFO] train episode 897: reward = 188.00, steps = 188
    22:54:26 [INFO] train episode 898: reward = 143.00, steps = 143
    22:54:26 [INFO] train episode 899: reward = 200.00, steps = 200
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    22:54:26 [INFO] train episode 901: reward = 34.00, steps = 34
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    22:54:26 [INFO] train episode 907: reward = 48.00, steps = 48
    22:54:26 [INFO] train episode 908: reward = 161.00, steps = 161
    22:54:26 [INFO] train episode 909: reward = 153.00, steps = 153
    22:54:26 [INFO] train episode 910: reward = 172.00, steps = 172
    22:54:26 [INFO] train episode 911: reward = 200.00, steps = 200
    22:54:26 [INFO] train episode 912: reward = 146.00, steps = 146
    22:54:26 [INFO] train episode 913: reward = 71.00, steps = 71
    22:54:26 [INFO] train episode 914: reward = 133.00, steps = 133
    22:54:26 [INFO] train episode 915: reward = 65.00, steps = 65
    22:54:26 [INFO] train episode 916: reward = 73.00, steps = 73
    22:54:27 [INFO] train episode 917: reward = 31.00, steps = 31
    22:54:27 [INFO] train episode 918: reward = 75.00, steps = 75
    22:54:27 [INFO] train episode 919: reward = 26.00, steps = 26
    22:54:27 [INFO] train episode 920: reward = 79.00, steps = 79
    22:54:27 [INFO] train episode 921: reward = 158.00, steps = 158
    22:54:27 [INFO] train episode 922: reward = 74.00, steps = 74
    22:54:27 [INFO] train episode 923: reward = 83.00, steps = 83
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    22:54:31 [INFO] train episode 999: reward = 200.00, steps = 200
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    22:54:31 [INFO] train episode 1003: reward = 34.00, steps = 34
    22:54:31 [INFO] train episode 1004: reward = 177.00, steps = 177
    22:54:31 [INFO] train episode 1005: reward = 200.00, steps = 200
    22:54:31 [INFO] train episode 1006: reward = 97.00, steps = 97
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    22:54:31 [INFO] train episode 1008: reward = 200.00, steps = 200
    22:54:31 [INFO] train episode 1009: reward = 163.00, steps = 163
    22:54:31 [INFO] train episode 1010: reward = 56.00, steps = 56
    22:54:31 [INFO] train episode 1011: reward = 168.00, steps = 168
    22:54:31 [INFO] train episode 1012: reward = 78.00, steps = 78
    22:54:31 [INFO] train episode 1013: reward = 149.00, steps = 149
    22:54:31 [INFO] train episode 1014: reward = 24.00, steps = 24
    22:54:31 [INFO] train episode 1015: reward = 48.00, steps = 48
    22:54:31 [INFO] train episode 1016: reward = 200.00, steps = 200
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    22:54:31 [INFO] train episode 1019: reward = 84.00, steps = 84
    22:54:31 [INFO] train episode 1020: reward = 114.00, steps = 114
    22:54:32 [INFO] train episode 1021: reward = 200.00, steps = 200
    22:54:32 [INFO] train episode 1022: reward = 194.00, steps = 194
    22:54:32 [INFO] train episode 1023: reward = 200.00, steps = 200
    22:54:32 [INFO] train episode 1024: reward = 200.00, steps = 200
    22:54:32 [INFO] train episode 1025: reward = 55.00, steps = 55
    22:54:32 [INFO] train episode 1026: reward = 200.00, steps = 200
    22:54:32 [INFO] train episode 1027: reward = 200.00, steps = 200
    22:54:32 [INFO] train episode 1028: reward = 200.00, steps = 200
    22:54:32 [INFO] train episode 1029: reward = 130.00, steps = 130
    22:54:32 [INFO] train episode 1030: reward = 78.00, steps = 78
    22:54:32 [INFO] train episode 1031: reward = 50.00, steps = 50
    22:54:32 [INFO] train episode 1032: reward = 129.00, steps = 129
    22:54:32 [INFO] train episode 1033: reward = 190.00, steps = 190
    22:54:32 [INFO] train episode 1034: reward = 164.00, steps = 164
    22:54:32 [INFO] train episode 1035: reward = 190.00, steps = 190
    22:54:32 [INFO] train episode 1036: reward = 66.00, steps = 66
    22:54:32 [INFO] train episode 1037: reward = 200.00, steps = 200
    22:54:32 [INFO] train episode 1038: reward = 15.00, steps = 15
    22:54:32 [INFO] train episode 1039: reward = 29.00, steps = 29
    22:54:32 [INFO] train episode 1040: reward = 149.00, steps = 149
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    22:54:33 [INFO] train episode 1049: reward = 156.00, steps = 156
    22:54:33 [INFO] train episode 1050: reward = 127.00, steps = 127
    22:54:33 [INFO] train episode 1051: reward = 200.00, steps = 200
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    22:54:33 [INFO] train episode 1055: reward = 65.00, steps = 65
    22:54:33 [INFO] train episode 1056: reward = 169.00, steps = 169
    22:54:33 [INFO] train episode 1057: reward = 63.00, steps = 63
    22:54:33 [INFO] train episode 1058: reward = 200.00, steps = 200
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    22:54:34 [INFO] train episode 1060: reward = 200.00, steps = 200
    22:54:34 [INFO] train episode 1061: reward = 200.00, steps = 200
    22:54:34 [INFO] train episode 1062: reward = 129.00, steps = 129
    22:54:34 [INFO] train episode 1063: reward = 112.00, steps = 112
    22:54:34 [INFO] train episode 1064: reward = 147.00, steps = 147
    22:54:34 [INFO] train episode 1065: reward = 178.00, steps = 178
    22:54:34 [INFO] train episode 1066: reward = 70.00, steps = 70
    22:54:34 [INFO] train episode 1067: reward = 160.00, steps = 160
    22:54:34 [INFO] train episode 1068: reward = 200.00, steps = 200
    22:54:34 [INFO] train episode 1069: reward = 200.00, steps = 200
    22:54:34 [INFO] train episode 1070: reward = 47.00, steps = 47
    22:54:34 [INFO] train episode 1071: reward = 125.00, steps = 125
    22:54:34 [INFO] train episode 1072: reward = 88.00, steps = 88
    22:54:34 [INFO] train episode 1073: reward = 153.00, steps = 153
    22:54:34 [INFO] train episode 1074: reward = 143.00, steps = 143
    22:54:34 [INFO] train episode 1075: reward = 153.00, steps = 153
    22:54:34 [INFO] train episode 1076: reward = 143.00, steps = 143
    22:54:35 [INFO] train episode 1077: reward = 200.00, steps = 200
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    22:54:35 [INFO] train episode 1079: reward = 66.00, steps = 66
    22:54:35 [INFO] train episode 1080: reward = 200.00, steps = 200
    22:54:35 [INFO] train episode 1081: reward = 200.00, steps = 200
    22:54:35 [INFO] train episode 1082: reward = 52.00, steps = 52
    22:54:35 [INFO] train episode 1083: reward = 192.00, steps = 192
    22:54:35 [INFO] train episode 1084: reward = 115.00, steps = 115
    22:54:35 [INFO] train episode 1085: reward = 200.00, steps = 200
    22:54:35 [INFO] train episode 1086: reward = 75.00, steps = 75
    22:54:35 [INFO] train episode 1087: reward = 164.00, steps = 164
    22:54:35 [INFO] train episode 1088: reward = 135.00, steps = 135
    22:54:35 [INFO] train episode 1089: reward = 42.00, steps = 42
    22:54:35 [INFO] train episode 1090: reward = 162.00, steps = 162
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    22:54:35 [INFO] train episode 1092: reward = 200.00, steps = 200
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    22:54:36 [INFO] train episode 1094: reward = 169.00, steps = 169
    22:54:36 [INFO] train episode 1095: reward = 165.00, steps = 165
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    22:54:36 [INFO] train episode 1097: reward = 200.00, steps = 200
    22:54:36 [INFO] train episode 1098: reward = 94.00, steps = 94
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    22:54:36 [INFO] train episode 1100: reward = 96.00, steps = 96
    22:54:36 [INFO] train episode 1101: reward = 16.00, steps = 16
    22:54:36 [INFO] train episode 1102: reward = 144.00, steps = 144
    22:54:36 [INFO] train episode 1103: reward = 59.00, steps = 59
    22:54:36 [INFO] train episode 1104: reward = 200.00, steps = 200
    22:54:36 [INFO] train episode 1105: reward = 200.00, steps = 200
    22:54:36 [INFO] train episode 1106: reward = 200.00, steps = 200
    22:54:36 [INFO] train episode 1107: reward = 163.00, steps = 163
    22:54:36 [INFO] train episode 1108: reward = 169.00, steps = 169
    22:54:36 [INFO] train episode 1109: reward = 119.00, steps = 119
    22:54:37 [INFO] train episode 1110: reward = 171.00, steps = 171
    22:54:37 [INFO] train episode 1111: reward = 166.00, steps = 166
    22:54:37 [INFO] train episode 1112: reward = 200.00, steps = 200
    22:54:37 [INFO] train episode 1113: reward = 168.00, steps = 168
    22:54:37 [INFO] train episode 1114: reward = 200.00, steps = 200
    22:54:37 [INFO] train episode 1115: reward = 75.00, steps = 75
    22:54:37 [INFO] train episode 1116: reward = 35.00, steps = 35
    22:54:37 [INFO] train episode 1117: reward = 200.00, steps = 200
    22:54:37 [INFO] train episode 1118: reward = 80.00, steps = 80
    22:54:37 [INFO] train episode 1119: reward = 200.00, steps = 200
    22:54:37 [INFO] train episode 1120: reward = 200.00, steps = 200
    22:54:37 [INFO] train episode 1121: reward = 71.00, steps = 71
    22:54:37 [INFO] train episode 1122: reward = 20.00, steps = 20
    22:54:37 [INFO] train episode 1123: reward = 131.00, steps = 131
    22:54:37 [INFO] train episode 1124: reward = 159.00, steps = 159
    22:54:37 [INFO] train episode 1125: reward = 68.00, steps = 68
    22:54:37 [INFO] train episode 1126: reward = 47.00, steps = 47
    22:54:37 [INFO] train episode 1127: reward = 149.00, steps = 149
    22:54:37 [INFO] train episode 1128: reward = 200.00, steps = 200
    22:54:37 [INFO] train episode 1129: reward = 69.00, steps = 69
    22:54:38 [INFO] train episode 1130: reward = 100.00, steps = 100
    22:54:38 [INFO] train episode 1131: reward = 151.00, steps = 151
    22:54:38 [INFO] train episode 1132: reward = 47.00, steps = 47
    22:54:38 [INFO] train episode 1133: reward = 117.00, steps = 117
    22:54:38 [INFO] train episode 1134: reward = 140.00, steps = 140
    22:54:38 [INFO] train episode 1135: reward = 121.00, steps = 121
    22:54:38 [INFO] train episode 1136: reward = 133.00, steps = 133
    22:54:38 [INFO] train episode 1137: reward = 70.00, steps = 70
    22:54:38 [INFO] train episode 1138: reward = 108.00, steps = 108
    22:54:38 [INFO] train episode 1139: reward = 73.00, steps = 73
    22:54:38 [INFO] train episode 1140: reward = 105.00, steps = 105
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    22:54:38 [INFO] train episode 1143: reward = 175.00, steps = 175
    22:54:38 [INFO] train episode 1144: reward = 200.00, steps = 200
    22:54:38 [INFO] train episode 1145: reward = 131.00, steps = 131
    22:54:38 [INFO] train episode 1146: reward = 120.00, steps = 120
    22:54:38 [INFO] train episode 1147: reward = 132.00, steps = 132
    22:54:39 [INFO] train episode 1148: reward = 85.00, steps = 85
    22:54:39 [INFO] train episode 1149: reward = 189.00, steps = 189
    22:54:39 [INFO] train episode 1150: reward = 200.00, steps = 200
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    22:54:39 [INFO] train episode 1153: reward = 180.00, steps = 180
    22:54:39 [INFO] train episode 1154: reward = 123.00, steps = 123
    22:54:39 [INFO] train episode 1155: reward = 200.00, steps = 200
    22:54:39 [INFO] train episode 1156: reward = 141.00, steps = 141
    22:54:39 [INFO] train episode 1157: reward = 135.00, steps = 135
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    22:54:39 [INFO] train episode 1160: reward = 200.00, steps = 200
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    22:54:39 [INFO] train episode 1162: reward = 109.00, steps = 109
    22:54:39 [INFO] train episode 1163: reward = 120.00, steps = 120
    22:54:40 [INFO] train episode 1164: reward = 129.00, steps = 129
    22:54:40 [INFO] train episode 1165: reward = 200.00, steps = 200
    22:54:40 [INFO] train episode 1166: reward = 200.00, steps = 200
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    22:54:40 [INFO] train episode 1168: reward = 179.00, steps = 179
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    22:54:40 [INFO] train episode 1173: reward = 195.00, steps = 195
    22:54:40 [INFO] train episode 1174: reward = 156.00, steps = 156
    22:54:40 [INFO] train episode 1175: reward = 143.00, steps = 143
    22:54:40 [INFO] train episode 1176: reward = 97.00, steps = 97
    22:54:40 [INFO] train episode 1177: reward = 170.00, steps = 170
    22:54:40 [INFO] train episode 1178: reward = 135.00, steps = 135
    22:54:40 [INFO] train episode 1179: reward = 89.00, steps = 89
    22:54:40 [INFO] train episode 1180: reward = 200.00, steps = 200
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    22:54:40 [INFO] train episode 1182: reward = 200.00, steps = 200
    22:54:41 [INFO] train episode 1183: reward = 37.00, steps = 37
    22:54:41 [INFO] train episode 1184: reward = 145.00, steps = 145
    22:54:41 [INFO] train episode 1185: reward = 183.00, steps = 183
    22:54:41 [INFO] train episode 1186: reward = 105.00, steps = 105
    22:54:41 [INFO] train episode 1187: reward = 186.00, steps = 186
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    22:54:41 [INFO] train episode 1189: reward = 121.00, steps = 121
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    22:54:41 [INFO] train episode 1194: reward = 200.00, steps = 200
    22:54:41 [INFO] train episode 1195: reward = 134.00, steps = 134
    22:54:41 [INFO] train episode 1196: reward = 48.00, steps = 48
    22:54:41 [INFO] train episode 1197: reward = 200.00, steps = 200
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    22:54:41 [INFO] train episode 1199: reward = 200.00, steps = 200
    22:54:42 [INFO] train episode 1200: reward = 138.00, steps = 138
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    22:54:42 [INFO] train episode 1205: reward = 171.00, steps = 171
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    22:54:43 [INFO] train episode 1226: reward = 200.00, steps = 200
    22:54:43 [INFO] train episode 1227: reward = 200.00, steps = 200
    22:54:43 [INFO] train episode 1228: reward = 200.00, steps = 200
    22:54:43 [INFO] train episode 1229: reward = 129.00, steps = 129
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    22:54:44 [INFO] train episode 1232: reward = 158.00, steps = 158
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    22:54:44 [INFO] train episode 1240: reward = 200.00, steps = 200
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    22:54:45 [INFO] train episode 1248: reward = 200.00, steps = 200
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    22:54:45 [INFO] train episode 1250: reward = 200.00, steps = 200
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    22:54:45 [INFO] train episode 1255: reward = 199.00, steps = 199
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    22:54:45 [INFO] train episode 1257: reward = 178.00, steps = 178
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    22:54:46 [INFO] train episode 1264: reward = 198.00, steps = 198
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    22:54:46 [INFO] train episode 1269: reward = 139.00, steps = 139
    22:54:46 [INFO] train episode 1270: reward = 200.00, steps = 200
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    22:54:47 [INFO] train episode 1274: reward = 156.00, steps = 156
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    22:54:47 [INFO] train episode 1277: reward = 131.00, steps = 131
    22:54:47 [INFO] train episode 1278: reward = 110.00, steps = 110
    22:54:47 [INFO] train episode 1279: reward = 177.00, steps = 177
    22:54:47 [INFO] train episode 1280: reward = 191.00, steps = 191
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    22:54:48 [INFO] train episode 1287: reward = 28.00, steps = 28
    22:54:48 [INFO] train episode 1288: reward = 141.00, steps = 141
    22:54:48 [INFO] train episode 1289: reward = 135.00, steps = 135
    22:54:48 [INFO] train episode 1290: reward = 72.00, steps = 72
    22:54:48 [INFO] train episode 1291: reward = 200.00, steps = 200
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    22:54:48 [INFO] train episode 1294: reward = 119.00, steps = 119
    22:54:48 [INFO] train episode 1295: reward = 184.00, steps = 184
    22:54:48 [INFO] train episode 1296: reward = 160.00, steps = 160
    22:54:48 [INFO] train episode 1297: reward = 200.00, steps = 200
    22:54:48 [INFO] train episode 1298: reward = 82.00, steps = 82
    22:54:48 [INFO] train episode 1299: reward = 200.00, steps = 200
    22:54:48 [INFO] train episode 1300: reward = 129.00, steps = 129
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    22:54:49 [INFO] train episode 1302: reward = 172.00, steps = 172
    22:54:49 [INFO] train episode 1303: reward = 31.00, steps = 31
    22:54:49 [INFO] train episode 1304: reward = 185.00, steps = 185
    22:54:49 [INFO] train episode 1305: reward = 56.00, steps = 56
    22:54:49 [INFO] train episode 1306: reward = 163.00, steps = 163
    22:54:49 [INFO] train episode 1307: reward = 156.00, steps = 156
    22:54:49 [INFO] train episode 1308: reward = 182.00, steps = 182
    22:54:49 [INFO] train episode 1309: reward = 200.00, steps = 200
    22:54:49 [INFO] train episode 1310: reward = 196.00, steps = 196
    22:54:49 [INFO] train episode 1311: reward = 200.00, steps = 200
    22:54:49 [INFO] train episode 1312: reward = 200.00, steps = 200
    22:54:49 [INFO] train episode 1313: reward = 182.00, steps = 182
    22:54:50 [INFO] train episode 1314: reward = 170.00, steps = 170
    22:54:50 [INFO] train episode 1315: reward = 39.00, steps = 39
    22:54:50 [INFO] train episode 1316: reward = 27.00, steps = 27
    22:54:50 [INFO] train episode 1317: reward = 200.00, steps = 200
    22:54:50 [INFO] train episode 1318: reward = 200.00, steps = 200
    22:54:50 [INFO] train episode 1319: reward = 114.00, steps = 114
    22:54:50 [INFO] train episode 1320: reward = 200.00, steps = 200
    22:54:50 [INFO] train episode 1321: reward = 200.00, steps = 200
    22:54:50 [INFO] train episode 1322: reward = 119.00, steps = 119
    22:54:50 [INFO] train episode 1323: reward = 200.00, steps = 200
    22:54:50 [INFO] train episode 1324: reward = 75.00, steps = 75
    22:54:50 [INFO] train episode 1325: reward = 146.00, steps = 146
    22:54:50 [INFO] train episode 1326: reward = 91.00, steps = 91
    22:54:50 [INFO] train episode 1327: reward = 200.00, steps = 200
    22:54:50 [INFO] train episode 1328: reward = 200.00, steps = 200
    22:54:51 [INFO] train episode 1329: reward = 200.00, steps = 200
    22:54:51 [INFO] train episode 1330: reward = 141.00, steps = 141
    22:54:51 [INFO] train episode 1331: reward = 142.00, steps = 142
    22:54:51 [INFO] train episode 1332: reward = 173.00, steps = 173
    22:54:51 [INFO] train episode 1333: reward = 126.00, steps = 126
    22:54:51 [INFO] train episode 1334: reward = 86.00, steps = 86
    22:54:51 [INFO] train episode 1335: reward = 127.00, steps = 127
    22:54:51 [INFO] train episode 1336: reward = 200.00, steps = 200
    22:54:51 [INFO] train episode 1337: reward = 68.00, steps = 68
    22:54:51 [INFO] train episode 1338: reward = 200.00, steps = 200
    22:54:51 [INFO] train episode 1339: reward = 200.00, steps = 200
    22:54:51 [INFO] train episode 1340: reward = 147.00, steps = 147
    22:54:51 [INFO] train episode 1341: reward = 199.00, steps = 199
    22:54:51 [INFO] train episode 1342: reward = 139.00, steps = 139
    22:54:51 [INFO] train episode 1343: reward = 200.00, steps = 200
    22:54:52 [INFO] train episode 1344: reward = 200.00, steps = 200
    22:54:52 [INFO] train episode 1345: reward = 200.00, steps = 200
    22:54:52 [INFO] train episode 1346: reward = 135.00, steps = 135
    22:54:52 [INFO] train episode 1347: reward = 200.00, steps = 200
    22:54:52 [INFO] train episode 1348: reward = 200.00, steps = 200
    22:54:52 [INFO] train episode 1349: reward = 77.00, steps = 77
    22:54:52 [INFO] train episode 1350: reward = 161.00, steps = 161
    22:54:52 [INFO] train episode 1351: reward = 158.00, steps = 158
    22:54:52 [INFO] train episode 1352: reward = 200.00, steps = 200
    22:54:52 [INFO] train episode 1353: reward = 153.00, steps = 153
    22:54:52 [INFO] train episode 1354: reward = 44.00, steps = 44
    22:54:52 [INFO] train episode 1355: reward = 156.00, steps = 156
    22:54:52 [INFO] train episode 1356: reward = 200.00, steps = 200
    22:54:52 [INFO] train episode 1357: reward = 189.00, steps = 189
    22:54:53 [INFO] train episode 1358: reward = 200.00, steps = 200
    22:54:53 [INFO] train episode 1359: reward = 87.00, steps = 87
    22:54:53 [INFO] train episode 1360: reward = 200.00, steps = 200
    22:54:53 [INFO] train episode 1361: reward = 200.00, steps = 200
    22:54:53 [INFO] train episode 1362: reward = 190.00, steps = 190
    22:54:53 [INFO] train episode 1363: reward = 161.00, steps = 161
    22:54:53 [INFO] train episode 1364: reward = 200.00, steps = 200
    22:54:53 [INFO] train episode 1365: reward = 60.00, steps = 60
    22:54:53 [INFO] train episode 1366: reward = 138.00, steps = 138
    22:54:53 [INFO] train episode 1367: reward = 200.00, steps = 200
    22:54:53 [INFO] train episode 1368: reward = 127.00, steps = 127
    22:54:53 [INFO] train episode 1369: reward = 200.00, steps = 200
    22:54:53 [INFO] train episode 1370: reward = 117.00, steps = 117
    22:54:53 [INFO] train episode 1371: reward = 200.00, steps = 200
    22:54:54 [INFO] train episode 1372: reward = 185.00, steps = 185
    22:54:54 [INFO] train episode 1373: reward = 45.00, steps = 45
    22:54:54 [INFO] train episode 1374: reward = 200.00, steps = 200
    22:54:54 [INFO] train episode 1375: reward = 171.00, steps = 171
    22:54:54 [INFO] train episode 1376: reward = 175.00, steps = 175
    22:54:54 [INFO] train episode 1377: reward = 200.00, steps = 200
    22:54:54 [INFO] train episode 1378: reward = 134.00, steps = 134
    22:54:54 [INFO] train episode 1379: reward = 190.00, steps = 190
    22:54:54 [INFO] train episode 1380: reward = 172.00, steps = 172
    22:54:54 [INFO] train episode 1381: reward = 200.00, steps = 200
    22:54:54 [INFO] train episode 1382: reward = 103.00, steps = 103
    22:54:54 [INFO] train episode 1383: reward = 200.00, steps = 200
    22:54:54 [INFO] train episode 1384: reward = 200.00, steps = 200
    22:54:55 [INFO] train episode 1385: reward = 198.00, steps = 198
    22:54:55 [INFO] train episode 1386: reward = 200.00, steps = 200
    22:54:55 [INFO] train episode 1387: reward = 121.00, steps = 121
    22:54:55 [INFO] train episode 1388: reward = 200.00, steps = 200
    22:54:55 [INFO] train episode 1389: reward = 183.00, steps = 183
    22:54:55 [INFO] train episode 1390: reward = 124.00, steps = 124
    22:54:55 [INFO] train episode 1391: reward = 200.00, steps = 200
    22:54:55 [INFO] train episode 1392: reward = 195.00, steps = 195
    22:54:55 [INFO] train episode 1393: reward = 199.00, steps = 199
    22:54:55 [INFO] train episode 1394: reward = 158.00, steps = 158
    22:54:55 [INFO] train episode 1395: reward = 200.00, steps = 200
    22:54:55 [INFO] train episode 1396: reward = 132.00, steps = 132
    22:54:55 [INFO] train episode 1397: reward = 200.00, steps = 200
    22:54:56 [INFO] train episode 1398: reward = 165.00, steps = 165
    22:54:56 [INFO] train episode 1399: reward = 133.00, steps = 133
    22:54:56 [INFO] train episode 1400: reward = 200.00, steps = 200
    22:54:56 [INFO] train episode 1401: reward = 36.00, steps = 36
    22:54:56 [INFO] train episode 1402: reward = 200.00, steps = 200
    22:54:56 [INFO] train episode 1403: reward = 200.00, steps = 200
    22:54:56 [INFO] train episode 1404: reward = 111.00, steps = 111
    22:54:56 [INFO] train episode 1405: reward = 200.00, steps = 200
    22:54:56 [INFO] train episode 1406: reward = 133.00, steps = 133
    22:54:56 [INFO] train episode 1407: reward = 165.00, steps = 165
    22:54:56 [INFO] train episode 1408: reward = 195.00, steps = 195
    22:54:56 [INFO] train episode 1409: reward = 137.00, steps = 137
    22:54:56 [INFO] train episode 1410: reward = 169.00, steps = 169
    22:54:57 [INFO] train episode 1411: reward = 156.00, steps = 156
    22:54:57 [INFO] train episode 1412: reward = 29.00, steps = 29
    22:54:57 [INFO] train episode 1413: reward = 183.00, steps = 183
    22:54:57 [INFO] train episode 1414: reward = 166.00, steps = 166
    22:54:57 [INFO] train episode 1415: reward = 200.00, steps = 200
    22:54:57 [INFO] train episode 1416: reward = 186.00, steps = 186
    22:54:57 [INFO] train episode 1417: reward = 165.00, steps = 165
    22:54:57 [INFO] train episode 1418: reward = 177.00, steps = 177
    22:54:57 [INFO] train episode 1419: reward = 164.00, steps = 164
    22:54:57 [INFO] train episode 1420: reward = 200.00, steps = 200
    22:54:57 [INFO] train episode 1421: reward = 200.00, steps = 200
    22:54:57 [INFO] train episode 1422: reward = 162.00, steps = 162
    22:54:57 [INFO] train episode 1423: reward = 200.00, steps = 200
    22:54:57 [INFO] train episode 1424: reward = 87.00, steps = 87
    22:54:58 [INFO] train episode 1425: reward = 174.00, steps = 174
    22:54:58 [INFO] train episode 1426: reward = 200.00, steps = 200
    22:54:58 [INFO] train episode 1427: reward = 126.00, steps = 126
    22:54:58 [INFO] train episode 1428: reward = 179.00, steps = 179
    22:54:58 [INFO] train episode 1429: reward = 200.00, steps = 200
    22:54:58 [INFO] train episode 1430: reward = 200.00, steps = 200
    22:54:58 [INFO] train episode 1431: reward = 200.00, steps = 200
    22:54:58 [INFO] train episode 1432: reward = 41.00, steps = 41
    22:54:58 [INFO] train episode 1433: reward = 185.00, steps = 185
    22:54:58 [INFO] train episode 1434: reward = 122.00, steps = 122
    22:54:58 [INFO] train episode 1435: reward = 144.00, steps = 144
    22:54:58 [INFO] train episode 1436: reward = 200.00, steps = 200
    22:54:59 [INFO] train episode 1437: reward = 200.00, steps = 200
    22:54:59 [INFO] train episode 1438: reward = 65.00, steps = 65
    22:54:59 [INFO] train episode 1439: reward = 152.00, steps = 152
    22:54:59 [INFO] train episode 1440: reward = 200.00, steps = 200
    22:54:59 [INFO] train episode 1441: reward = 200.00, steps = 200
    22:54:59 [INFO] train episode 1442: reward = 200.00, steps = 200
    22:54:59 [INFO] train episode 1443: reward = 153.00, steps = 153
    22:54:59 [INFO] train episode 1444: reward = 34.00, steps = 34
    22:54:59 [INFO] train episode 1445: reward = 200.00, steps = 200
    22:54:59 [INFO] train episode 1446: reward = 200.00, steps = 200
    22:54:59 [INFO] train episode 1447: reward = 173.00, steps = 173
    22:54:59 [INFO] train episode 1448: reward = 200.00, steps = 200
    22:54:59 [INFO] train episode 1449: reward = 127.00, steps = 127
    22:54:59 [INFO] train episode 1450: reward = 194.00, steps = 194
    22:55:00 [INFO] train episode 1451: reward = 200.00, steps = 200
    22:55:00 [INFO] train episode 1452: reward = 50.00, steps = 50
    22:55:00 [INFO] train episode 1453: reward = 76.00, steps = 76
    22:55:00 [INFO] train episode 1454: reward = 200.00, steps = 200
    22:55:00 [INFO] train episode 1455: reward = 200.00, steps = 200
    22:55:00 [INFO] train episode 1456: reward = 168.00, steps = 168
    22:55:00 [INFO] train episode 1457: reward = 125.00, steps = 125
    22:55:00 [INFO] train episode 1458: reward = 178.00, steps = 178
    22:55:00 [INFO] train episode 1459: reward = 200.00, steps = 200
    22:55:00 [INFO] train episode 1460: reward = 72.00, steps = 72
    22:55:00 [INFO] train episode 1461: reward = 82.00, steps = 82
    22:55:00 [INFO] train episode 1462: reward = 137.00, steps = 137
    22:55:01 [INFO] train episode 1463: reward = 158.00, steps = 158
    22:55:01 [INFO] train episode 1464: reward = 200.00, steps = 200
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    22:55:01 [INFO] train episode 1466: reward = 200.00, steps = 200
    22:55:01 [INFO] train episode 1467: reward = 200.00, steps = 200
    22:55:01 [INFO] train episode 1468: reward = 200.00, steps = 200
    22:55:01 [INFO] train episode 1469: reward = 148.00, steps = 148
    22:55:01 [INFO] train episode 1470: reward = 200.00, steps = 200
    22:55:01 [INFO] train episode 1471: reward = 156.00, steps = 156
    22:55:01 [INFO] train episode 1472: reward = 200.00, steps = 200
    22:55:01 [INFO] train episode 1473: reward = 51.00, steps = 51
    22:55:01 [INFO] train episode 1474: reward = 173.00, steps = 173
    22:55:02 [INFO] train episode 1475: reward = 200.00, steps = 200
    22:55:02 [INFO] train episode 1476: reward = 200.00, steps = 200
    22:55:02 [INFO] train episode 1477: reward = 185.00, steps = 185
    22:55:02 [INFO] train episode 1478: reward = 90.00, steps = 90
    22:55:02 [INFO] train episode 1479: reward = 137.00, steps = 137
    22:55:02 [INFO] train episode 1480: reward = 130.00, steps = 130
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    22:55:02 [INFO] train episode 1488: reward = 176.00, steps = 176
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    22:55:03 [INFO] train episode 1500: reward = 200.00, steps = 200
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    22:55:04 [INFO] train episode 1505: reward = 154.00, steps = 154
    22:55:04 [INFO] train episode 1506: reward = 123.00, steps = 123
    22:55:04 [INFO] train episode 1507: reward = 191.00, steps = 191
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    22:55:05 [INFO] train episode 1519: reward = 176.00, steps = 176
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    22:55:05 [INFO] train episode 1522: reward = 200.00, steps = 200
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    22:55:06 [INFO] train episode 1526: reward = 186.00, steps = 186
    22:55:06 [INFO] train episode 1527: reward = 200.00, steps = 200
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    22:55:06 [INFO] train episode 1529: reward = 200.00, steps = 200
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    22:55:06 [INFO] train episode 1532: reward = 200.00, steps = 200
    22:55:07 [INFO] train episode 1533: reward = 197.00, steps = 197
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    22:55:07 [INFO] train episode 1538: reward = 200.00, steps = 200
    22:55:07 [INFO] train episode 1539: reward = 124.00, steps = 124
    22:55:07 [INFO] train episode 1540: reward = 36.00, steps = 36
    22:55:07 [INFO] train episode 1541: reward = 149.00, steps = 149
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    22:55:07 [INFO] train episode 1543: reward = 200.00, steps = 200
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    22:55:08 [INFO] train episode 1552: reward = 48.00, steps = 48
    22:55:08 [INFO] train episode 1553: reward = 120.00, steps = 120
    22:55:08 [INFO] train episode 1554: reward = 172.00, steps = 172
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    22:55:08 [INFO] train episode 1556: reward = 151.00, steps = 151
    22:55:09 [INFO] train episode 1557: reward = 200.00, steps = 200
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    22:55:09 [INFO] train episode 1560: reward = 154.00, steps = 154
    22:55:09 [INFO] train episode 1561: reward = 174.00, steps = 174
    22:55:09 [INFO] train episode 1562: reward = 200.00, steps = 200
    22:55:09 [INFO] train episode 1563: reward = 169.00, steps = 169
    22:55:09 [INFO] train episode 1564: reward = 200.00, steps = 200
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    22:55:09 [INFO] train episode 1566: reward = 159.00, steps = 159
    22:55:09 [INFO] train episode 1567: reward = 163.00, steps = 163
    22:55:10 [INFO] train episode 1568: reward = 144.00, steps = 144
    22:55:10 [INFO] train episode 1569: reward = 53.00, steps = 53
    22:55:10 [INFO] train episode 1570: reward = 181.00, steps = 181
    22:55:10 [INFO] train episode 1571: reward = 36.00, steps = 36
    22:55:10 [INFO] train episode 1572: reward = 200.00, steps = 200
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    22:55:10 [INFO] train episode 1574: reward = 200.00, steps = 200
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    22:55:19 [INFO] train episode 1674: reward = 135.00, steps = 135
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    22:55:20 [INFO] train episode 1678: reward = 53.00, steps = 53
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    22:55:21 [INFO] train episode 1700: reward = 128.00, steps = 128
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    22:55:23 [INFO] train episode 1719: reward = 200.00, steps = 200
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    22:55:23 [INFO] train episode 1722: reward = 200.00, steps = 200
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    22:55:24 [INFO] train episode 1727: reward = 200.00, steps = 200
    22:55:24 [INFO] train episode 1728: reward = 200.00, steps = 200
    22:55:24 [INFO] train episode 1729: reward = 80.00, steps = 80
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    22:55:25 [INFO] train episode 1739: reward = 200.00, steps = 200
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    22:55:26 [INFO] train episode 1756: reward = 71.00, steps = 71
    22:55:27 [INFO] train episode 1757: reward = 200.00, steps = 200
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    22:55:28 [INFO] train episode 1767: reward = 37.00, steps = 37
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    22:55:28 [INFO] train episode 1769: reward = 200.00, steps = 200
    22:55:28 [INFO] train episode 1770: reward = 29.00, steps = 29
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    22:55:28 [INFO] train episode 1773: reward = 86.00, steps = 86
    22:55:28 [INFO] train episode 1774: reward = 200.00, steps = 200
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    22:55:49 [INFO] train episode 2011: reward = 183.00, steps = 183
    22:55:49 [INFO] train episode 2012: reward = 145.00, steps = 145
    22:55:50 [INFO] train episode 2013: reward = 200.00, steps = 200
    22:55:50 [INFO] train episode 2014: reward = 26.00, steps = 26
    22:55:50 [INFO] train episode 2015: reward = 200.00, steps = 200
    22:55:50 [INFO] train episode 2016: reward = 179.00, steps = 179
    22:55:50 [INFO] train episode 2017: reward = 192.00, steps = 192
    22:55:50 [INFO] train episode 2018: reward = 200.00, steps = 200
    22:55:50 [INFO] train episode 2019: reward = 175.00, steps = 175
    22:55:50 [INFO] train episode 2020: reward = 200.00, steps = 200
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    22:55:55 [INFO] train episode 2069: reward = 173.00, steps = 173
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    22:57:03 [INFO] train episode 2722: reward = 200.00, steps = 200
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    22:57:04 [INFO] train episode 2726: reward = 200.00, steps = 200
    22:57:04 [INFO] train episode 2727: reward = 200.00, steps = 200
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    22:57:04 [INFO] train episode 2732: reward = 200.00, steps = 200
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    22:57:22 [INFO] train episode 2880: reward = 200.00, steps = 200
    22:57:22 [INFO] train episode 2881: reward = 200.00, steps = 200
    22:57:22 [INFO] train episode 2882: reward = 200.00, steps = 200
    22:57:22 [INFO] train episode 2883: reward = 200.00, steps = 200
    22:57:22 [INFO] train episode 2884: reward = 200.00, steps = 200
    22:57:22 [INFO] train episode 2885: reward = 181.00, steps = 181
    22:57:22 [INFO] train episode 2886: reward = 200.00, steps = 200
    22:57:22 [INFO] train episode 2887: reward = 200.00, steps = 200
    22:57:22 [INFO] train episode 2888: reward = 200.00, steps = 200
    22:57:23 [INFO] train episode 2889: reward = 200.00, steps = 200
    22:57:23 [INFO] train episode 2890: reward = 117.00, steps = 117
    22:57:23 [INFO] train episode 2891: reward = 182.00, steps = 182
    22:57:23 [INFO] train episode 2892: reward = 200.00, steps = 200
    22:57:23 [INFO] train episode 2893: reward = 200.00, steps = 200
    22:57:23 [INFO] train episode 2894: reward = 113.00, steps = 113
    22:57:23 [INFO] train episode 2895: reward = 200.00, steps = 200
    22:57:23 [INFO] train episode 2896: reward = 200.00, steps = 200
    22:57:23 [INFO] train episode 2897: reward = 200.00, steps = 200
    22:57:24 [INFO] train episode 2898: reward = 200.00, steps = 200
    22:57:24 [INFO] train episode 2899: reward = 200.00, steps = 200
    22:57:24 [INFO] train episode 2900: reward = 200.00, steps = 200
    22:57:24 [INFO] train episode 2901: reward = 200.00, steps = 200
    22:57:24 [INFO] train episode 2902: reward = 200.00, steps = 200
    22:57:24 [INFO] train episode 2903: reward = 200.00, steps = 200
    22:57:24 [INFO] train episode 2904: reward = 200.00, steps = 200
    22:57:24 [INFO] train episode 2905: reward = 200.00, steps = 200
    22:57:24 [INFO] train episode 2906: reward = 200.00, steps = 200
    22:57:25 [INFO] train episode 2907: reward = 200.00, steps = 200
    22:57:25 [INFO] train episode 2908: reward = 200.00, steps = 200
    22:57:25 [INFO] train episode 2909: reward = 200.00, steps = 200
    22:57:25 [INFO] train episode 2910: reward = 200.00, steps = 200
    22:57:25 [INFO] train episode 2911: reward = 200.00, steps = 200
    22:57:25 [INFO] train episode 2912: reward = 194.00, steps = 194
    22:57:25 [INFO] train episode 2913: reward = 200.00, steps = 200
    22:57:25 [INFO] train episode 2914: reward = 200.00, steps = 200
    22:57:25 [INFO] ==== test ====
    22:57:26 [INFO] test episode 0: reward = 200.00, steps = 200
    22:57:26 [INFO] test episode 1: reward = 200.00, steps = 200
    22:57:26 [INFO] test episode 2: reward = 163.00, steps = 163
    22:57:26 [INFO] test episode 3: reward = 200.00, steps = 200
    22:57:26 [INFO] test episode 4: reward = 200.00, steps = 200
    22:57:26 [INFO] test episode 5: reward = 200.00, steps = 200
    22:57:26 [INFO] test episode 6: reward = 200.00, steps = 200
    22:57:26 [INFO] test episode 7: reward = 200.00, steps = 200
    22:57:27 [INFO] test episode 8: reward = 197.00, steps = 197
    22:57:27 [INFO] test episode 9: reward = 200.00, steps = 200
    22:57:27 [INFO] test episode 10: reward = 113.00, steps = 113
    22:57:27 [INFO] test episode 11: reward = 29.00, steps = 29
    22:57:27 [INFO] test episode 12: reward = 200.00, steps = 200
    22:57:27 [INFO] test episode 13: reward = 200.00, steps = 200
    22:57:27 [INFO] test episode 14: reward = 200.00, steps = 200
    22:57:27 [INFO] test episode 15: reward = 200.00, steps = 200
    22:57:27 [INFO] test episode 16: reward = 200.00, steps = 200
    22:57:27 [INFO] test episode 17: reward = 200.00, steps = 200
    22:57:28 [INFO] test episode 18: reward = 200.00, steps = 200
    22:57:28 [INFO] test episode 19: reward = 200.00, steps = 200
    22:57:28 [INFO] test episode 20: reward = 159.00, steps = 159
    22:57:28 [INFO] test episode 21: reward = 200.00, steps = 200
    22:57:28 [INFO] test episode 22: reward = 200.00, steps = 200
    22:57:28 [INFO] test episode 23: reward = 54.00, steps = 54
    22:57:28 [INFO] test episode 24: reward = 200.00, steps = 200
    22:57:28 [INFO] test episode 25: reward = 200.00, steps = 200
    22:57:28 [INFO] test episode 26: reward = 132.00, steps = 132
    22:57:28 [INFO] test episode 27: reward = 118.00, steps = 118
    22:57:28 [INFO] test episode 28: reward = 196.00, steps = 196
    22:57:29 [INFO] test episode 29: reward = 199.00, steps = 199
    22:57:29 [INFO] test episode 30: reward = 200.00, steps = 200
    22:57:29 [INFO] test episode 31: reward = 200.00, steps = 200
    22:57:29 [INFO] test episode 32: reward = 200.00, steps = 200
    22:57:29 [INFO] test episode 33: reward = 200.00, steps = 200
    22:57:29 [INFO] test episode 34: reward = 200.00, steps = 200
    22:57:29 [INFO] test episode 35: reward = 200.00, steps = 200
    22:57:29 [INFO] test episode 36: reward = 187.00, steps = 187
    22:57:29 [INFO] test episode 37: reward = 200.00, steps = 200
    22:57:30 [INFO] test episode 38: reward = 200.00, steps = 200
    22:57:30 [INFO] test episode 39: reward = 200.00, steps = 200
    22:57:30 [INFO] test episode 40: reward = 200.00, steps = 200
    22:57:30 [INFO] test episode 41: reward = 200.00, steps = 200
    22:57:30 [INFO] test episode 42: reward = 200.00, steps = 200
    22:57:30 [INFO] test episode 43: reward = 200.00, steps = 200
    22:57:30 [INFO] test episode 44: reward = 200.00, steps = 200
    22:57:30 [INFO] test episode 45: reward = 165.00, steps = 165
    22:57:30 [INFO] test episode 46: reward = 200.00, steps = 200
    22:57:31 [INFO] test episode 47: reward = 200.00, steps = 200
    22:57:31 [INFO] test episode 48: reward = 200.00, steps = 200
    22:57:31 [INFO] test episode 49: reward = 200.00, steps = 200
    22:57:31 [INFO] test episode 50: reward = 200.00, steps = 200
    22:57:31 [INFO] test episode 51: reward = 191.00, steps = 191
    22:57:31 [INFO] test episode 52: reward = 200.00, steps = 200
    22:57:31 [INFO] test episode 53: reward = 200.00, steps = 200
    22:57:31 [INFO] test episode 54: reward = 125.00, steps = 125
    22:57:31 [INFO] test episode 55: reward = 200.00, steps = 200
    22:57:32 [INFO] test episode 56: reward = 200.00, steps = 200
    22:57:32 [INFO] test episode 57: reward = 200.00, steps = 200
    22:57:32 [INFO] test episode 58: reward = 114.00, steps = 114
    22:57:32 [INFO] test episode 59: reward = 120.00, steps = 120
    22:57:32 [INFO] test episode 60: reward = 200.00, steps = 200
    22:57:32 [INFO] test episode 61: reward = 200.00, steps = 200
    22:57:32 [INFO] test episode 62: reward = 200.00, steps = 200
    22:57:32 [INFO] test episode 63: reward = 122.00, steps = 122
    22:57:32 [INFO] test episode 64: reward = 200.00, steps = 200
    22:57:33 [INFO] test episode 65: reward = 137.00, steps = 137
    22:57:33 [INFO] test episode 66: reward = 200.00, steps = 200
    22:57:33 [INFO] test episode 67: reward = 200.00, steps = 200
    22:57:33 [INFO] test episode 68: reward = 200.00, steps = 200
    22:57:33 [INFO] test episode 69: reward = 200.00, steps = 200
    22:57:33 [INFO] test episode 70: reward = 200.00, steps = 200
    22:57:33 [INFO] test episode 71: reward = 200.00, steps = 200
    22:57:34 [INFO] test episode 72: reward = 200.00, steps = 200
    22:57:34 [INFO] test episode 73: reward = 200.00, steps = 200
    22:57:34 [INFO] test episode 74: reward = 200.00, steps = 200
    22:57:34 [INFO] test episode 75: reward = 178.00, steps = 178
    22:57:34 [INFO] test episode 76: reward = 200.00, steps = 200
    22:57:34 [INFO] test episode 77: reward = 200.00, steps = 200
    22:57:34 [INFO] test episode 78: reward = 200.00, steps = 200
    22:57:34 [INFO] test episode 79: reward = 170.00, steps = 170
    22:57:34 [INFO] test episode 80: reward = 200.00, steps = 200
    22:57:35 [INFO] test episode 81: reward = 200.00, steps = 200
    22:57:35 [INFO] test episode 82: reward = 200.00, steps = 200
    22:57:35 [INFO] test episode 83: reward = 200.00, steps = 200
    22:57:35 [INFO] test episode 84: reward = 200.00, steps = 200
    22:57:35 [INFO] test episode 85: reward = 200.00, steps = 200
    22:57:35 [INFO] test episode 86: reward = 167.00, steps = 167
    22:57:35 [INFO] test episode 87: reward = 110.00, steps = 110
    22:57:35 [INFO] test episode 88: reward = 200.00, steps = 200
    22:57:35 [INFO] test episode 89: reward = 200.00, steps = 200
    22:57:35 [INFO] test episode 90: reward = 200.00, steps = 200
    22:57:36 [INFO] test episode 91: reward = 200.00, steps = 200
    22:57:36 [INFO] test episode 92: reward = 200.00, steps = 200
    22:57:36 [INFO] test episode 93: reward = 200.00, steps = 200
    22:57:36 [INFO] test episode 94: reward = 200.00, steps = 200
    22:57:36 [INFO] test episode 95: reward = 200.00, steps = 200
    22:57:36 [INFO] test episode 96: reward = 200.00, steps = 200
    22:57:36 [INFO] test episode 97: reward = 200.00, steps = 200
    22:57:36 [INFO] test episode 98: reward = 200.00, steps = 200
    22:57:36 [INFO] test episode 99: reward = 200.00, steps = 200
    22:57:36 [INFO] average episode reward = 187.46 ± 31.36

In [5]:

    env.close()