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: 6, 10, ['w', '999', 'U', '6875', '4031', '1147', '2695', 'X', '3127', 'V', 'S', 'R', 'E', 'Q', '6731', 'r', '1641', '7121', '455']

11472695X3127V