实例——“小车上山”
步骤1，获取环境对象
env = gym.make('MountainCar-v0')
print('观测空间 = {}'.format(env.observation_space))
print('动作空间 = {}'.format(env.action_space))
print('观测范围 = {} ~ {}'.format(env.observation_space.low,
env.observation_space.high))
print('动作数 = {}'.format(env.action_space.n))env = gym.
