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: 4, 15, ['y', '3417', '1655', '2563', 'G', '1427', '4433', '1913', '9417', 'p', 'q', 'T', 'Y', 'S', 'K', 'H']

2563G1427443319139417pqTYSK