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: 3, 8, ['831', 'x', 'x', '8837', '8431', '4253', 'p', 'e', 'r', 'w', '253', 'Y', 'C']

x883784314253pe