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: 1, 8, ['R', 'L', 'a', 'I', 'T', 'p', 'P', 'C', 's', 'J', 'O', '6173', '1817', 'v', 'M', '1009', 'Y', '5249', 'W', '8957', '3771', 'f', 'T', 'm', '6105', '9177']

RLaITpPC