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: 8, 16, ['6579', 'T', 'F', '7889', 'S', '8997', '9449', '1645', 'l', 'y', 'X', 'w', '9553', '195', 'v', 'r', 'H', '9069', 'a', 'g', 'V', 'L', 'G', 'T', '621', '511', 'Y']

1645lyXw9553195vr