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, 16, ['5263', 'F', '3493', 'k', 'S', 'l', '2347', 'X', 'I', 'K', 'j', 'p', '3293', '3053', '6355', 'O', 'g', '8531', 'S', 'z', '6469', '4121']

l2347XIKjp329330536355O