#include <LCD-I2C.h>

LCD_I2C lcd(0x27, 16, 2);

//ps. i took all of this code from the library's github site
void setup() {
  // put your setup code here, to run once:
lcd.begin();
lcd.display();
lcd.backlight();

}

void loop() {
  // put your main code here, to run repeatedly:
// Scroll left and right
    lcd.setCursor(10, 0);
    lcd.print(F("To the left!"));
    for (int i = 0; i < 10; i++)
    {
        lcd.scrollDisplayLeft();
        delay(200);
    }
    lcd.clear();
    lcd.print(F("To the right!"));
    for (int i = 0; i < 10; i++)
    {
        lcd.scrollDisplayRight();
        delay(200);
    }
    lcd.clear();
}