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: 8, 17, ['9973', 'P', 'z', 'u', '3857', 't', 'a', '2763', 'A', '1475', 'J', '4973', '2761', '4867', '6479', '9639', 'B', '2585', 'M', 't', '3253', 'J', '2803', '7653', '9959', 'V', 'B']

2763A1475J49732761486764799639B