class App {

  /**
   * Program entry point.
   *
   * @param args command line args
   */
  public static void main(String[] args) {<FILL_FUNCTION_BODY>}
}

    // create the alchemist shop with the potions
    var alchemistShop = new AlchemistShop();
    // a brave visitor enters the alchemist shop and drinks all the potions
    alchemistShop.drinkPotions();
  
<no_super_class>