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: 12, 16, ['27', 'y', '6819', '1205', '2073', '3935', 'r', '9545', '6899', '5589', 'h', 'R', 'X', '5111', '1647', 'n', 'H']

RX51111647n