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: 8, 21, ['5153', '903', '6327', '4905', '605', '5305', '6103', 'c', 'e', 'O', 'O', '4987', '9561', 'u', 'c', 'r', 'g', '31', 's', '3547', '6475', 'x', 'c', 'v', 'h', '8409']

ceOO49879561ucrg31s35476475