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, 19, ['L', 'Q', '5285', 'L', '907', '361', '1819', 'f', '7761', '1391', '4419', '6601', '5227', 'F', 'O', 'W', '6715', '6713', 'f', 'o', '3383', '2275', '9087', '505', 'B']

9073611819f77611391441966015227FOW67156713f