Definition: 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.
Input: 2, 3, ['B', '2877', '8383', 'X', 'h', '1249', 't', 'h', 'i', 'e', 'e', 'C', 'L', 'Y', 'D', 'x', 'X']

28778383