#include <LiquidCrystal_I2C.h>
#define LCD_ADDR 0x27
#define LCD_COLUMNS 20
#define LCD_ROWS 4

LiquidCrystal_I2C lcd(LCD_ADDR, LCD_COLUMNS, LCD_ROWS);

void setup() {
  // put your setup code here, to run once:
lcd.begin(20,4);
lcd.init();
lcd.backlight();
}

void loop() {
  // put your main code here, to run repeatedly:
int i;  
lcd.setCursor(7,0);
lcd.print("Hello All");

lcd.setCursor(0,3);
lcd.print("Thanks You");
for (i = 4 ; i < 20; i++) 
  {
    lcd.scrollDisplayLeft(); 
    delay(200);
}
}