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, 15, ['855', '6483', 'A', 'm', '8463', 'M', '2547', '8225', 'Q', '2867', '5055', 'h', 'p', 'L', 'Z', 'Y', 'C', 'T', '725']

m8463M25478225Q28675055hpLZ