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, 13, ['1833', '9389', '7489', '1991', 'u', '6395', 'x', '3813', '2383', '5287', 'L', 'O', 'f', 'n', '6375', '7967']

6395x381323835287LOf