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: 2, 13, ['1475', '1819', 'Q', 'C', 'k', 'w', '857', '5433', 'G', '6731', 'G', 'b', '7123']

1819QCkw8575433G6731Gb7123