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: 5, 16, ['3155', '7303', '1191', '8053', 'D', '2487', 'r', '6469', 'W', 'B', 'B', '619', '3997', 'e', 'O', 'R', '5159']

D2487r6469WBB6193997eOR