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, 13, ['m', 'S', 'K', '2849', 't', 'y', '4889', 'm', '1275', 'R', 'r', 'o', 'E', '823', '7973', 'y', '7009', 't', 'A', 's']

K2849ty4889m1275RroE