code: def execute_action(self, agent, action):
          
          if action == 'Right':
              agent.location = loc_B
              agent.performance -= 1
          elif action == 'Left':
              agent.location = loc_A
              agent.performance -= 1
          elif action == 'Suck':
              if self.status[agent.location] == 'Dirty':
                  agent.performance += 10
              self.status[agent.location] = 'Clean'
docs: Change agent's location and/or location's status; track performance.
          Score 10 for each dirt cleaned; -1 for each move.