code: def get_short_status(self, hosts, services):
          
          mapping = {
              0: "O",
              1: "W",
              2: "C",
              3: "U",
              4: "N",
          }
          if self.got_business_rule:
              return mapping.get(self.business_rule.get_state(hosts, services), "n/a")
  
          return mapping.get(self.state_id, "n/a")
docs: Get the short status of this host
  
          :return: "O", "W", "C", "U', or "n/a" based on service state_id or business_rule state
          :rtype: str