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: 13, 14, ['y', 'R', 's', 'm', 'S', '1647', 'q', 'j', '5631', '5925', 'i', 'W', 'u', '1911', 'Z', 'z', '2229', 'O', '9765']

u1911