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, 6, ['369', 'y', 'J', 'B', '7041', '2117', '1881', 'w', 'N']

Ex Output:
yJB70412117


Ex Input:
1, 11, ['Q', 'Y', 't', '9251', 'd', '5229', 'Q', 'l', 'O', '2935', 'E', 'x', '5641']

Ex Output:
QYt9251d5229QlO2935E


Ex Input:
1, 2, ['N', 'z', 'f', '187', 'r']

Ex Output:

Nz