const int  button =7 ;
int led = 10 ;
bool state = 0 ;
int buttonstate = 0 ;
int laststate = 0;

void setup() {
  // put your setup code here, to run once:
pinMode(led, OUTPUT);
pinMode(button, INPUT_PULLUP);
}

void loop() {
  // put your main code here, to run repeatedly:
buttonstate = digitalRead(button);
if (laststate==0 && buttonstate ==1){
  //(code ty 1)
  // if (state==0){
  //   digitalWrite(led,1);
  //   state=1;
  // }
  // else{
  //   digitalWrite(led,0);
  //   state=0;
  // }
  //end code ty 1 
  //code ty 2 
  switch(state){
    case 0:
      digitalWrite(led,1);
      state=1;
      break;
    case 1:
      digitalWrite(led,0);
      state=0;
      break;
    default:
      digitalWrite(led,1);
      delay(1000);
      digitalWrite(led,0);
      delay(1000);
      break;
  }
}
//end code ty 2
laststate=buttonstate;
delay(100);
}