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Update frozenlake8x8_policyiteration.py #1

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9 changes: 5 additions & 4 deletions Chapter03/frozenlake8x8_policyiteration.py
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Original file line number Diff line number Diff line change
Expand Up @@ -46,19 +46,20 @@ def run_episodes(env, policy, num_games=100):
done = False
while not done:
# select the action accordingly to the policy
next_state, reward, done, _ = env.step(policy[state])
# print(env.step(policy[state]))
# break
next_state, reward, done, _, _ = env.step(policy[state])

state = next_state
tot_rew += reward
if done:
state = env.reset()

print('Won %i of %i games!'%(tot_rew, num_games))


if __name__ == '__main__':
# create the environment
env = gym.make('FrozenLake-v0')
env = gym.make('FrozenLake-v1')
# enwrap it to have additional information from it
env = env.unwrapped

Expand All @@ -82,4 +83,4 @@ def run_episodes(env, policy, num_games=100):
print('Converged after %i policy iterations'%(it))
run_episodes(env, policy)
print(V.reshape((4,4)))
print(policy.reshape((4,4)))
print(policy.reshape((4,4)))