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: 21, 28, ['v', '7391', 's', 'E', 'I', 'D', '8331', '8313', '9545', '5285', '699', 'g', 'B', '6201', 'T', '797', '9053', 'a', '3615', 'N', 'X', 'I', 'o', '2893', '1309', 'V', '627', '1537', '4693']

XIo28931309V6271537