#include <Servo.h>

Servo mydegree;
int degree ;


void loop() {
  // put your main code here, to run repeatedly:
  for(degree = 0; degree <= 90; degree ++)
  {
    mydegree.write(degree);
    delay(1000);

  }
  for(degree = 90; degree>=0; degree --)
  {
    mydegree.write(degree);
    delay(1000);

  }

}