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: 1, 8, ['6293', '203', 'q', 'r', '3915', 'u', 'U', '1843', '8551', '6179', 'G', 'J', '5331', 'k', '3533', 'a', '9937', '2703', '63', 'a']

6293203qr3915uU1843