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.

Example Input: 4, 4, ['r', 'P', '9883', 'Q']
Example Output: Q

Example Input: 1, 2, ['f', '6835']
Example Output: f6835

Example Input: 5, 5, ['u', 'H', '9973', '8335', '7397']
Example Output:
7397