How to works a servo motor

#include<Servo.h>

Servo myservo;


void setup() {
  // put your setup code here, to run once:
myservo.attach(10);

}

void loop() {
  // put your main code here, to run repeatedly:
myservo.write(0);
delay(1000);
myservo.write (180);
delay(1000);

}