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: 4, 19, ['6735', 'L', '3903', '9301', 'x', '8227', 'H', 'j', '2853', '7379', '5813', '991', 'D', '7387', 'B', 'F', '3571', 'a', '4541', 'x', '3949', 'N', 'G']

9301x8227Hj285373795813991D7387BF3571a4541