code: def cmd_link_list(self):
          '''list links'''
          print("%u links" % len(self.mpstate.mav_master))
          for i in range(len(self.mpstate.mav_master)):
              conn = self.mpstate.mav_master[i]
              print("%u: %s" % (i, conn.address)f cmd_link_list(self):
          '''list links'''
          print("%u links" % len(self.mpstate.mav_master))
          for i in range(len(self.mpstate.mav_master)):
              conn = self.mpstate.mav_master[i]
              print("%u: %s" % (i, conn.address))
docs: list links