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, 10, ['2637', '5463', 'a', 'a', '3385', 'g', '7419', '8921', '9185', 'a', 'W', 'o', '2155', '3567']

26375463aa3385g741989219185a