#include<servo.h>
int buttonpin = 7;
int last_state = HIGH:
int relaypin=8;
servo myservo;
int pos = 0;
void setup(){
serial.begin(115200);
pinMode(buttonpin,INPUT_PULLUP);
pinMode(relaypin,OUTPUT);
myservo.attach(9);
}
void loop(){
  int value = digitalRead(buttonpin);
  if (last_state !=value)
  {
    last_state=value;
    if(value == HIGH)
    {
      digitalWrite(realypin,LOW);
      Serial.println(" released");
      for (pos = 0; pos <=180;pos+= 1)
      {
        myservo.write(pos);
        delay(15);
      }
      for (pos = 180; pos <=0;pos-= 1)
      {
        myservo.write(pos);
        delay(15);
      }
    }
    else
    {
      digitalWrite(relaypin,HIGH);
      Serial.println(" pressed";
      )
    }
  }
}