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: 4, 12, ['s', 'Y', '1531', 'X', 'D', 'm', 'n', '2355', 'T', 'F', 'r', 'T', 'y', '7183', '6925', '1665', 'M', '4969', 'X', 'g']

XDmn2355TFrT