code: def _oneInteraction(self):
          
          self.stepid += 1
  
          logger.info("\nEntering simulation period %d." % self.stepid)
  
          # Initialise the market.
          self.market.reset()
  
          # Get an action from each agent and perform it.
          for task, agent in zip(self.tasks, self.agents):
              observation = task.getObservation()
              agent.integrateObservation(observation)
  
              action = agent.getAction()
              task.performAction(action)
  
          # Clear the market.
          self.market.run()
  
          # Reward each agent appropriately.
          for task, agent in zip(self.tasks, self.agents):
              reward = task.getReward()
              agent.giveReward(reward)
docs: Coordinates one interaction between each agent and its environment.