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, ['V', '6401', 'I', 'N', 'u', '6705', 'i', '1437', '4761', '9165', 'W', '7265', 'J', 'B', '7513', 'C', 'u', 'w', '7533', 'E', 'H', '3083', 'U']

E, H