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: 9, 20, ['r', 'D', 'e', '5629', 'j', 'q', 'D', 'V', '7533', 'A', '763', 'h', '3663', '6461', '8419', 'x', 'l', '8191', '1477', '5555', 'F']

7533A763h366364618419xl819114775555