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: 5, 25, ['u', '3943', '433', 'O', 'x', 'e', '4979', '3015', 'L', '7271', 'X', '9413', 'N', 'Y', '8939', '4755', 'X', '2167', '2711', '1363', '8549', 'x', 'U', '7587', 'c', '5379', '5001']

xe49793015L7271X9413NY89394755X2167271113638549xU7587c