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: 15, 15, ['703', 'L', '5973', '8373', 'O', 'j', 'A', 'n', 'G', 'y', 'Z', '4609', '929', 'T', '4865', '415', '9991', 'r', 'R']

4865