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.

Ex Input:
2, 2, ['m', 'k', '2393']

Ex Output:
k


Ex Input:
2, 6, ['995', '665', '6923', 'd', 'h', '513', 'r', '3261']

Ex Output:
6656923dh513


Ex Input:
4, 9, ['d', '2447', 'x', '8589', '2571', '4211', 'l', 's', '3785', '1829', 'l', 'd', '8999', 'n', '5557', 'g', 't', '9375', 'g', '8765', '1113', '3149']

Ex Output:

858925714211ls3785