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: 13, 15, ['503', 'P', '1439', '5157', '9657', '4349', '8573', '9805', '9755', 'Z', 'y', '6867', '8505', 'H', 'L', 'R', 'N', '2713', '5277', '6575', 'P', 'f', '3201']

8505HL