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, 17, ['U', '619', '71', 'p', 'Y', 'C', 'S', 'j', '9581', 'H', 'B', 'x', '7733', '9899', 'w', '7889', '9543', '2937', '2247', 'g', 'W', 'j', 'v', 'o', 'Y', 'b', '6743', '9009', '9105']

pYCSj9581HBx77339899w78899543