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: 8, 15, ['z', 'm', 'Z', '3381', 'K', '5719', 'g', '5109', 'H', 'K', '4637', 'Y', 'l', '5709', 'Q']

5109HK4637Yl5709Q