int BUTTON = 1;
int LED = 2;
int pbstate = 0;
#include <Wire.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27 ,16 ,2);

void setup() {
  pinMode (LED , OUTPUT);
  pinMode (BUTTON , INPUT);
  lcd.init ();
  lcd.clear ();
  lcd.backlight ();
}

void loop() {
 pbstate = digitalRead(BUTTON);
  if (pbstate == HIGH) {
    digitalWrite (LED , HIGH);
    lcd.setCursor (0,0);
    lcd.print ( "LED  ON" );
   }
   if (pbstate == LOW){
    digitalWrite (LED , LOW);
    lcd.setCursor (0,0);
    lcd.print ( "LED OFF" );
   }
 }