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, 4, ['2135', 'm', 'p', 'R', '2893', '707', '7569', 'y', '9921', 'G', 'K']

Ex Output:
mpR


Ex Input:
4, 4, ['x', 'B', 'M', '2375', '9021']

Ex Output:
2375


Ex Input:
1, 5, ['P', 'A', 'i', '5567', '1913', '6843', '1087', 'N', 'S', 'v', '9915', '2531', 'h', 'i', '6961', 'f', 'T', '1203', '8149', 'Q']

Ex Output:

PAi55671913