Sle/mod/quiz/attempt.php The following is a specification for the operation of the list ADT? /** Task: retrieves the entry at a given position in the list. *@param given Position an integer that indicates the position of the desired entry; *@return a reference to the indicated list entry, if (the list not empty and * givenPosition >= 1 and given Position = 1 and given Position = 1 and given Position = 1 and given Position = 1 and given Position