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: 3, 7, ['5029', 'E', 'X', 'J', '7899', 'L', '4333', 'L', 'v', '4083', 'W', 'i', '6701', '849', 'c', 'Y', '8425', 'h', '3903']

XJ7899L4333