/*Write a program to interface Button and LED, so that LED 
blinks/glow when button is pressed.*/
const int led = 10;
const int buttonpin = 11;
void setup() {
  // put your setup code here, to run once:
  pinMode(buttonpin, INPUT);
  pinMode(led, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  int buttonstate = digitalRead(buttonpin);
  if (buttonpin == HIGH) {
    digitalWrite(led, HIGH);
  }
  else {
    digitalWrite(led, LOW);
  }
}