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, 25, ['3621', 'k', '7697', '6695', 'C', '2179', '8173', '7211', 'y', '7729', 'H', 'y', '8077', 'R', '997', 'U', 'G', 'R', '7077', '3911', '1425', '4211', '35', '1941', 'v', 'I', 'K']

7211y7729Hy8077R997UGR7077391114254211351941v