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: 6, 13, ['1951', 'K', '1713', '8527', '3303', '2065', '3507', 'H', '8473', 'h', 'H', 'Z', '2811', '7507', '6659']

20653507H8473hHZ2811