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:
7, 10, ['6843', 'X', 's', 'y', 'k', 'o', 'k', '2095', 'b', 'A']

Ex Output:
k2095bA


Ex Input:
12, 19, ['p', '8105', 'c', '8759', '813', 'L', '1451', 'E', 'M', 'N', 'n', '633', '2401', 'p', 'B', 'H', 'G', '2577', 'F', '1045', '8929', '9383']

Ex Output:
6332401pBHG2577F


Ex Input:
4, 4, ['3341', '4365', 'r', 'B']

Ex Output:

B