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: 3, 14, ['6807', 'J', '1481', 'c', 'L', 'k', '5617', '6701', '3677', '4281', '2259', 'f', '5613', '1419', 'X', '4303', 'R', '2863', 'v', '8609', 'z']

1481cLk56176701367742812259f56131419