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: 7, 12, ['W', '7743', '6499', '1427', '2323', 'N', 'V', 'G', '5547', '263', '8153', 'O', 'T', 'm', 'J', 'a', 'Q', 'B']

VG55472638153O