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: 12, 16, ['9771', 'w', 'm', 'm', 'f', 'W', '9715', '9475', '6537', '9963', 'w', 'b', 'y', '5595', 'x', '5015', '3057']

by5595x5015