class_docstr: Implementation of the random-dot motion environment 
class_docstr_tok: ["Implementation","of","the","random-dot","motion","environment"]
code: def _get_observation(self):
      is_sampling = self._action == "sample"
      dot_obs = (
          (self.direction_names[utils.sample(self.dot_dist)])
          if is_sampling
          else "null"
      )  # increment the sample by +1 to account for the fact that there's a "null" observation that occupies observation index 0
      action_obs = "sampling" if is_sampling else "breaking"
  
      return dot_obs, action_obs
  
imports: from pymdp.envs import Env
  from pymdp import utils, maths
  import numpy
  from itertools import permutations, product
label_desc: Use image node_id 5 for calling the RandomDotMotion obj's underlying member method code with example usage: obj._get_observation() and returns: dot_obs,  action_obs