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:
1, 5, ['Q', 'J', '983', 'W', 'b']

Ex Output:
QJ983Wb


Ex Input:
11, 20, ['4081', '915', 'e', '765', '4125', '9603', '1557', 'C', 'L', 'k', 'd', 'h', '5317', 'J', '8587', 'm', 'B', '273', 'K', 'b', '951', '2385', 'v']

Ex Output:
dh5317J8587mB273Kb


Ex Input:
2, 5, ['8005', 'y', '8021', 'J', 'y', 'r']

Ex Output:

y8021Jy