<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def on_for_seconds(self, steering, speed, seconds, brake=True, block=True):
 """ Rotate the motors according to the provided ``steering`` for ``seconds``. """

        (left_speed, right_speed) = self.get_speed_steering(steering, speed)
        MoveTank.on_for_seconds(self, SpeedNativeUnits(left_speed), SpeedNativeUnits(right_speed), seconds, brake, block)