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: 15, 18, ['f', 'Y', 'D', 'C', '4877', '9727', '6183', '5235', 'I', '617', '8337', '4359', 'C', 'h', 'Y', '3733', 'E', 'b', 'j', '9001', '8929']

Y3733Eb