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: 4, 11, ['8957', '4911', '1845', 'U', '9973', 'Z', '2735', 'N', '967', 'j', '3185', '8405', 'R', 'E']

U9973Z2735N967j3185