code: def mavset(self, mav, name, value, retries=3):
          '''set a parameter on a mavlink connection'''
          got_ack = False
          while retries > 0 and not got_ack:
              retries -= 1
              mav.param_set_send(name.upper(), float(value))
              tstart = time.time()
              while time.time() - tstart < 1:
                  ack = mav.recv_match(type='PARAM_VALUE', blocking=False)
                  if ack == None:
                      time.sleep(0.1)
                      continue
                  if str(name).upper() == str(ack.param_id).upper():
                      got_ack = True
                      self.__setitem__(name, float(value))
                      break
          if not got_ack:
              print("timeout setting %s to %f" % (name, float(value)))
              return False
          return Truf mavset(self, mav, name, value, retries=3):
          '''set a parameter on a mavlink connection'''
          got_ack = False
          while retries > 0 and not got_ack:
              retries -= 1
              mav.param_set_send(name.upper(), float(value))
              tstart = time.time()
              while time.time() - tstart < 1:
                  ack = mav.recv_match(type='PARAM_VALUE', blocking=False)
                  if ack == None:
                      time.sleep(0.1)
                      continue
                  if str(name).upper() == str(ack.param_id).upper():
                      got_ack = True
                      self.__setitem__(name, float(value))
                      break
          if not got_ack:
              print("timeout setting %s to %f" % (name, float(value)))
              return False
          return True
docs: set a parameter on a mavlink connection