code: def __init__(self):
      self.observation_space = Box(
          high=np.array([np.inf] * 17),
          low=np.array([-np.inf] * 17),
          shape=(17,),
          dtype=None,
      )
      self.action_space = Box(
          high=np.array([1.0] * 6),
          low=np.array([-1.0] * 6),
          shape=(6,),
          dtype=None,
      )
      self._max_episode_steps = 1000
      self._elapsed_steps = 0
  
imports: import numpy
  from random import random
label_desc: Use image node_id 1 to create a new HalfCheetahEnv object from inherited base classes: object with example: obj = HalfCheetahEnv()