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: 5, 14, ['T', '1021', 'b', '2755', '7327', '809', 'H', 'R', 'x', 'h', 'W', 'X', 'D', '9637', 'g', '5853', 'A', 'b', 'X']

7327809HRxhWXD9637