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: 1, 17, ['W', 'U', '1617', '4531', 'Z', 'C', '7565', 'm', '1705', '7931', 'J', 'm', 'j', 'J', '2579', 'G', '2061', '3357', 'x', '939', '241', 'K', 'y', 'i']

WU16174531ZC7565m17057931JmjJ2579G2061