int state;
// the stup fuction runs once when you press reset or power the board
void setup() {
// initialize digitalpin LED_BUILTIN as an output
pinMode (D0,OUTPUT);
pinMode (D7,OUTPUT);
pinMode (D6,OUTPUT);
pinMode (D1, INPUT);
}

// the loop function runs over and over again forever
void loop(){
// this line gets the value of Pin D1 inside state variable
state=digitalRead(D1);
if(state==HIGH)
{
	digitalWrite(D0,HIGH);
	digitalWrite(D7,HIGH);
	digitalWrite(D6,HIGH);
}
else{
	digitalWrite(D0,LOW);
	digitalWrite(D7,LOW);
	digitalWrite(D6,LOW);
}
}