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: 5, 15, ['f', 'y', '2695', 'a', 'O', '2141', 'g', 'g', '223', '6857', 'd', 'h', '1669', 'D', '9171', 'C', '4879', '7267', '8195', '6781', '1597']

O2141gg2236857dh1669D9171