import gym
from matplotlib import pyplot as plt
import numpy as np
env = gym.make('CartPole-v0').env
[2017-02-21 10:00:03,148] Making new env: CartPole-v0
samples = np.array([env.reset() for _ in xrange(100000)]).T
fig = plt.figure(figsize=(6,12))
for i in xrange(4):
ax = fig.add_subplot(4,1,i+1)
ax.hist(samples[i], normed=True)
plt.show()
del samples