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: 2, 12, ['521', 'G', '8453', '3693', 'v', 'B', 'G', 'Y', '6845', '4919', '6997', '2327', '2925', '9179', 'F']

G84533693vBGY6845491969972327