int led=13;
int button=12;
int value;
void setup() {
    pinMode(led,OUTPUT);
    pinMode(button,INPUT);
     value=digitalRead(button);
}
void loop() {
if (value==HIGH)
{
 digitalWrite(led,HIGH);
}

int led=13;
int button=12;
int value;
void setup() {
    pinMode(led,OUTPUT);
    pinMode(button,INPUT);
     value=digitalRead(button);
}
void loop() {
if (value==HIGH)
{
 digitalWrite(led,HIGH);
delay(1000);
digitalWrite(led,LOW);
delay(1000);
}