code: def _step_mujoco_simulation(self, ctrl, n_frames):
      self.sim.data.ctrl[:] = ctrl
  
      for _ in range(n_frames):
          self.sim.step()
  
imports: from os import path
  from typing import Optional, Union
  import numpy
  import gym
  from gym import error, logger, spaces
  from gym.spaces import Space
label_desc: Use image node_id 5 for calling the MuJocoPyEnv obj's underlying member method code with example usage: obj._step_mujoco_simulation(ctrl, n_frames) without return types