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: 7, 12, ['5761', 'p', '857', '6385', 'k', 'z', '7757', 'w', 'a', 'D', 'y', 'B', 'G', 'h']

7757waDyB