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: 3, 20, ['b', 'z', 'y', '1125', '1091', 'e', 'W', 'W', 'i', 'f', '1049', '615', 'V', 'F', '8209', 'P', 'D', '9017', 'Q', 'y', 'V']

y11251091eWWif1049615VF8209PD9017Qy