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: 10, 12, ['H', '591', '9501', 'H', '9801', '4883', '3607', '4961', 'u', 'H', 'U', 'X']

H, U, X