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: 10, 13, ['2127', 'o', '5709', '829', 'H', 'W', 'n', '2621', '561', 'Y', '7193', 'f', '3751', '5175', '1859', '169', '9421', '6921']

Y7193f3751