#define led  33
#define button 5
bool button_status = false;
int led_status = 1;
void setup() {
  pinMode(led, OUTPUT);
  pinMode(button, INPUT_PULLDOWN);
  digitalWrite(led, HIGH);
}

void loop() {
  if(digitalRead(button)==HIGH){
    delay(10);
    if(digitalRead(button)==HIGH && !button_status){
      led_status = !led_status;
      digitalWrite(led,led_status);
      button_status = !button_status;
    }
    else if(digitalRead(button)== LOW){
      button_status = false;
    }
  }
}