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 in the reverse order. 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: 1, 2, ['R', 'K', '8769', '1743', '3149', 'c', 'v', '7813', 'A', 'x', 'm', 'q', 'c', '3923', 'Q', '7985', 'u', 'y', 'f', '8155']

K, R