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: 6, 10, ['4773', 'h', 'W', '9129', '1615', 'E', '7171', 'O', '2139', '9201', 'x', '3005', 'n']

E7171O21399201