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, 7, ['w', 'B', 'F', 'p', '2081', 'T', '8497', 'y', '4597', 'n', 'x', '6833', '9555', 'y', 'm', 'e', '7097', 'E', '4689', 'b', '2701', '3713']

BFp2081T8497