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 concatenate all elements of A from the ith element to the jth element, and print the resultant string. 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, 15, ['7935', 'P', 'Y', 'f', 'z', 'k', '8985', '9727', 'n', 'C', '6571', '5737', 'u', 'D', '7189', '6385', '1167', 'D', 'F', 'u', 's', 'c', '8637']

C65715737uD7189