#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27,20,4);  

void setup(){

  lcd.init();                      
  lcd.backlight();
}

  void loop(){
  lcd.setCursor(0,0);
  lcd.print("Hello shaffan");
  delay(1000);
   lcd.init(); 
  lcd.clear();
  lcd.setCursor(0,1);
  lcd.print("have a good day");
  delay(1000);
  lcd.clear();

}