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, 15, ['W', 'u', '5201', '1959', 'E', 'B', '4635', 'K', 'h', '697', 's', '6665', '119', '8843', '2369', 'h', 'v', '2125', 'H', '6499', '7205', '4021', 'G', 'G', '2235', '2411']

1959EB4635Kh697s666511988432369