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 list all elements of A from the ith element to the jth element. 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: 12, 18, ['L', '3241', '7711', 'M', '6137', 'a', '7073', 'u', 'l', '2523', 'P', 'D', '3047', '6561', 'H', 'x', 'Q', '2781']

D, 3047, 6561, H, x, Q, 2781