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, 8, ['x', 'C', 'R', 's', '2149', '2565', 'i', 'v', '5451', 'r', '2989', '4875', 'S', '3741', 'K', 'U', '3203', '8201', 'e', 'i', 'P', '5277', 'm', 'K', 'v']

s21492565iv