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: 6, 16, ['795', 'v', '9547', 'L', '3305', 'F', '1781', 'Q', '7349', '1187', 'I', '529', 'P', 'R', '87', 'F', 'Y', 'J', '5003', 'P']

F1781Q73491187I529PR87F