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: 19, 23, ['5457', 'T', '6401', 'p', 'v', 'w', 'r', 'J', 'T', 'n', '5787', 'E', '4447', 'n', '5579', 'H', '9287', 'i', '8435', '771', 'x', '1567', 'e', '5553', 'B', 't', '8469', '671', '7161']

8435771x1567e