code: def is_healthy(self):
      state = self.state_vector()
      min_z, max_z = self._healthy_z_range
      is_healthy = (
          np.isfinite(state).all() and min_z <= state[2] <= max_z
      )
      return is_healthy
  
file_path: gym/gym/envs/mujoco/ant_v3.py
imports: import numpy
  from gym import utils
  from gym.envs.mujoco import MuJocoPyEnv
  from gym.spaces import Box
label_desc: Use image node_id 6 for calling the AntEnv obj's underlying member method code with example usage: obj.is_healthy() and returns: is_healthy