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, 15, ['z', '2841', '3667', 's', '9655', '3417', 'r', 'X', '8141', 'm', 's', 'M', 'a', 'B', '2777', '5083', 'L', 'j']

3417rX8141msMaB2777