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: 1, 15, ['M', 'E', '1821', '1085', 'c', '4691', '3727', '6197', 'L', 'k', 'z', '6973', '4967', 'k', '6867']

ME18211085c469137276197Lkz69734967k6867