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, 15, ['5519', '2889', '5261', '8107', 'm', 'N', '8037', '3257', 'W', '8065', 'G', '2357', 'P', 't', 'B', 'L', '2781']

5519288952618107mN80373257W8065G2357PtB