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, 6, ['W', '8725', 'n', 'c', 'N', 'd', 'm', '8577', 'B', '639', '3745', 'm', '9551', 'P', 'I', '6539', 'n', '7983', '7931', '2449', '7003']

8725ncNd