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: 8, 15, ['6521', '1459', '6473', '2565', '3945', 'Z', 'a', '2649', 'h', '265', 'j', 'X', '5271', 'V', '1839', 't', 'o', 'D', '6153', 'l', '8431', 'A', 'v', '5487', '3437', '3027']

2649h265jX5271V1839