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: 8, 17, ['5287', '1895', 'I', 'D', '4945', '5933', 'r', '6251', 'u', 'u', 'b', 'x', '5439', '8247', 'w', '9273', 'x', 'j', '8013', 'm', '3401', 'F', 'H', '5165', '4755', '5731', 'W']

6251uubx54398247w9273x