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: 7, 11, ['9753', 'u', 'm', '4857', '7073', '1983', 'W', '1909', 'H', 't', 'D', '1897', 'b', '2473', '3915', '3809', '5681', '3559', '9953', '3719', '9937', '6239', 'c', 'n', '417', '4279', '7973', '9387']

W1909HtD