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: 18, 20, ['M', 'y', '673', 'v', '5431', '4031', '1313', 'F', '4599', 'X', '3009', 'i', '9269', 'Q', '5087', 'W', '1015', 'B', 'Q', '1907', '2743']

B, Q, 1907