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, ['4981', 'n', '5157', '5849', 'Q', '2205', '3765', '6995', '8635', '2765', '1465', 'M', 'W', 'a', '1507']

220537656995863527651465MWa1507