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: 4, 23, ['797', 'f', 'y', '3785', '7635', '8345', '5589', 'G', 'P', 'D', '9017', 'R', '9663', '7063', 'Z', 'X', '2325', 't', '781', '5251', '3881', '4245', 'q', 'V', 'g']

3785763583455589GPD9017R96637063ZX2325t781525138814245q