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: 15, 17, ['W', 'b', '2893', '6671', 'u', 'e', '5825', '2831', 'r', 'N', 'r', 'd', '9781', 'B', 'Z', '4121', 'p', '4895', 'a', 'B', '5299', 'T', '6777', '3991', '7169', '3117', 's', 'M']

Z4121p