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: 11, 19, ['y', '9757', '6895', '2269', '9859', '1247', '1873', 'W', 'Z', '9169', 'L', 'R', '6979', 'M', 'K', '8891', 'd', '3415', 'T']

LR6979MK8891d3415T