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: 17, 19, ['Q', 'W', 'J', 'n', 't', '9031', 'W', 'W', '3149', '3293', 'P', '4405', '2097', 'n', '9845', '4823', 'c', 'b', '5491']

cb5491