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, ['S', 'D', '4693', '5317', '6935', '3747', 'C', '7447', 'b', 'I', '773', 'e', 'z', '1135', '3957', '9759', '695', '7357']

7447bI773ez113539579759695