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:
17, 20, ['j', '3799', '2457', '2975', '691', '8473', 'R', 'o', '4005', 'b', 'A', '8207', '9355', '3133', 'W', 'N', '2233', 'p', '1185', 'w', '6119', 'W', 'O', '3359', 'R', '2927', 'C', '3629', 'l']

Ex Output:
2233p1185w


Ex Input:
6, 12, ['W', '7747', '1915', 'Z', '6841', 'U', '7357', 'B', '5029', 'd', '69', 'E']

Ex Output:
U7357B5029d69E


Ex Input:
7, 24, ['Y', '7797', '3903', 'y', 'h', '7429', '4271', 'e', '5387', 'g', '5285', '6741', 'h', 'D', '1731', 'a', '7983', '7551', '2331', '9777', 'y', 'H', 'P', 'e']

Ex Output:

4271e5387g52856741hD1731a7983755123319777yHPe