def synchronized_steering(self, angle):
    self.lf_steering_pub.publish(angle)
    self.rf_steering_pub.publish(angle)
    self.lr_steering_pub.publish(angle)
    self.rr_steering_pub.publish(angle)
def synchronized_steering(self, angle):
    self.lf_steering_pub.publish(angle)
    self.rf_steering_pub.publish(angle)
    self.lr_steering_pub.publish(angle)
    self.rr_steering_pub.publish(angle)