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: 10, 10, ['s', 'y', '2815', '2393', 'b', 'D', 'a', '789', '9251', 'c', '1147', '6189', 'n', 'Q']

c