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: 7, 11, ['6011', 's', '8923', '713', 'c', 'J', 'w', '503', '3817', '1513', '8473', 'u']

w503381715138473