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, ['1291', 'k', '9305', '3817', '7489', '4873', '6645', 's', 'V', '9621', '9933', '6995', '4585', '7419', '4275', '3829', 'T', 'G', '3117', '839', '87', 'A', 'V', 'k', '3043', '5599', 'f']

839, 87