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, ['5419', '203', 'O', '859', 'P', '5819', 'N', '1249', '3733', 'u', 'Y', '8577', 'G', 'G', 'R', 'f', 'r', '8613', '9061', '9231', '879', '8817', '4371', 'f', 'G', '8133', 't', '1821', '2331', 'x']

5819N12493733uY8577GGRf