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: 10, 16, ['5043', '2735', '8503', '4891', 'u', '2129', 'Z', '9669', 'j', '5147', '121', 'z', '2255', '6729', '8853', 'Q', '1109', 'W']

5147121z225567298853Q