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: 3, 15, ['2003', '4977', 'p', '7519', 'b', 'G', 'n', '2525', 'R', '573', '8471', '6383', '3495', '3069', 'k', '8563']

p7519bGn2525R5738471638334953069k