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: 7, 8, ['3701', '8523', '5855', 'v', '2935', 'j', '8657', 'x', 'P', 'y', 'i', 'x', '237', 'K', 'n', 'v', 'O', 'C', '3269']

8657x