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: 5, 6, ['b', '8447', '1949', '7847', 'X', '3935', 'I', '8715', 'S', '3517', '3043', '6341', '6487', 'x', 'O', '1299', '1457', 'E', '9275', 'z']

X3935