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, 13, ['4389', 'c', 'f', '6871', 'p', '4965', 'w', '6423', 'K', '525', 'x', '5967', '5839', '7393', '9663', 'R', '6361', 'Y', '8229', 'N', '8179', '721']

K525x59675839