// Write a program to interface Button, buzzer and LED, Whenever the button is pressed the 
// buzzer gives beep for 100ms and LED status is toggled (Change).


int i=0;
void setup() {
  pinMode(7, INPUT);
  pinMode(10, OUTPUT);
  pinMode(12, OUTPUT);

}

void loop() {
  if(digitalRead(7)==1){
    i=i+1;
    digitalWrite(12, HIGH);
    delay(100);
    digitalWrite(12, LOW);
    if(i%2==1){
      digitalWrite(10, HIGH);
    }
    else{
      digitalWrite(10, LOW);
    }
  }
}