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, 14, ['c', 'K', 'X', '121', '7561', '7027', 'n', 'j', 'u', '5873', '3205', '1877', '2157', '4021', '6267']

u58733205187721574021