// write a program to turn on ,Led with a Push button.
int button=2;
int LED;
int inputStatus=0;//var for reading the pin status.
void setup() {
  pinMode(button,INPUT);
  pinMode(LED,OUTPUT);
}

void loop() {
inputStatus=digitalRead(button);
if(inputStatus==HIGH){
  digitalWrite(LED, LOW); 
  }
else{
  digitalWrite(LED, HIGH);
}
}