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: 16, 21, ['l', 'u', 't', '4187', 'd', '6943', '6843', '5357', 'e', '8751', '337', '7193', '8263', '4393', '375', 'Q', '4459', 'w', 's', 'c', '7851']

Q, 4459, w, s, c, 7851