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: 4, 18, ['3617', '8903', '1343', '2453', 'w', 'k', '805', '4543', '2941', '1239', '1703', '8999', 'K', 'B', '6539', '8615', '6405', 'Y', '8817', '8425', 'k', '3671', 'u', '665', '3763', 'Q', '151', 'S', 'q']

2453wk80545432941123917038999KB653986156405Y