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: 12, 13, ['K', 'n', '1523', '7537', 'N', '433', 'F', 'L', '9133', '6463', '4617', '6865', '3401', '103', 'H']

68653401