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: 20, 21, ['h', '3409', '6131', '9607', 'J', '707', 'f', 'g', 'M', 'Z', 'a', '2765', '7261', '3321', '7467', '8869', '3365', '5649', 'W', '2609', 'O']

2609, O