Definition: In this task, you are given inputs i,j, and A, where i and j are integers and A is a list. You need to concatenate all elements of A from the ith element to the jth element, and print the resultant string. i and j will be non-negative, and will always have a value less than the length of A. i will always be less than j.
Input: 15, 19, ['X', 'm', '8611', 'R', '999', 'M', '9499', '1539', 'J', '3841', '9071', '645', '3009', '3463', 'X', 'X', '9933', 'w', 'H', 'f', 'S', 'l', '8459', 'E', '5731']

XX9933wH