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: 16, 23, ['8519', 'a', '6975', 'b', 'S', '9951', '7783', 'l', '755', 'F', '8815', '9065', 'H', '39', 'M', '1273', 'L', '6229', '1559', '7827', '5647', 'a', '5399', '2523', '2137', '6031', 'a', '8325', '4747', 'd']

1273L6229155978275647a5399