Code:

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#include <Servo.h>

#define PIN_SERVO 10
Servo myservo;

void setup()
{
  myservo.attach(PIN_SERVO);
}

void loop()
{
  myservo.write(0);
  delay(1000);
  myservo.write(40);
  delay(1000);
  myservo.write(80);
  delay(1000);
  myservo.write(180);
  delay(1000);
  myservo.write(360);
  delay(1000);

}

Output