class Main {
  
  public static void main(String[] args) {
    int [] theList = new int[(int)(Math.random()*20)];

    for(int i = 0; i < theList.length; i++)
      {
        theList[i] = (int)(Math.random()*100);
      }

    printList(theList);
    System.out.println("The sum of all elements = " + addListElements(theList));
    System.out.println("The average of all elements = " + averageListElements(theList));
    
  }

  // Traverse the list and print each element to the screen using System.out.println
  public static void printList(int[] list)
  {
    for(int i = 0; i < list.length; i++)
      {
        System.out.println(list[i]);
      }
  }

  // Traverse the list and find the sum of the elements in the list
  public static int addListElements(int[] list)
  {
    // TO DO
  }

  // Traverse the list and find the average of the elements in the list
  public static double averageListElements(int[] list)
  {
    // To DO
  }
}