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, 14, ['3615', '1891', '9595', 'Y', '5839', '691', 'k', '431', 'C', 'p', 'c', '6313', '1697', '7295', '4083', '9439', 'v', 'W', '5947', '7445', 'J', '6515', 'Q']

691k431Cpc631316977295