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: 3, 4, ['A', '2271', '3591', 'u', '9327', 'R', 'A', '1299', '3711', '5175', 'D', 'R', '4197', 'a', 'Z', '293', '6235', '4723', '4449', '2789', 'm', 'Q', 'd', '6197', 'U']

3591u