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, ['3313', 'x', '5103', 'H', 'i', 'n', 'K', '5279', 'M', 'M', 'g', 'F', 'K', '3087', 'A', 'b', 'Q', 'Y', 'h', '2745', 'u']

3313x5103HinK5279MMgFK3087A