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: 1, 15, ['V', '2997', 'D', '4413', 'a', 'y', 'p', 'm', 'N', 'Z', '5151', 'c', '3117', 'B', 'B', 'm', '7439']

V2997D4413aypmNZ5151c3117BB