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: 15, 19, ['7883', 'O', 'v', 'H', '4401', '6455', 'h', 'a', '9903', '667', 'J', 'H', '6495', '395', '2171', 'w', 'S', 'B', '8473', '399', 'h', 'Y', 'U', '4657', 'R', '2765', 'j', '4381', 'z', '6567']

2171wSB8473