Let's get the CartPole environment from gym:
env = gym.make('CartPole-v1')
Set the seed for env:
env.seed(42)
Let's initialize the environment by calling is reset() method. This returns an observation:
obs = env.<< your code comes here >>()
Print the observation obs:
print(obs)
As discussed previously, the obs of CartPole has 4 values:
First value -0.01258566 is the position of the cart.
Second value -0.00156614 is the velocity of the cart.
Third value 0.04207708 is the angle of the pole.
Fourth value -0.00180545 is the angular velocity of the pole.
Let's see what the action space looks like:
print(env.action_space)
It says that CartPole has two values for action. As discussed previously, 0 means left action, 1 means right action.
For more info on env, we could do:
help(env)
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