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: 6, 13, ['3385', '6763', 't', 'U', '6439', '175', '2919', 'F', 'I', 'D', '3485', 'v', '671', '7857', '1719']

1752919FID3485v671