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: 11, 20, ['i', '1283', 'L', 'b', 'h', 'k', '8365', '5941', '4285', 'D', 'y', '9727', '6981', '6851', '7167', '1947', '1035', 'o', '221', 'c', 'R', 'r', 'F']

y972769816851716719471035o221c