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: 2, 5, ['6829', 'R', 'i', 'v', 'l', 'i', '8355', 'C', '9489', 'q', 'y', '1609', '615', '6719', '7539', 'L', 'R']

Rivl