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: 6, 12, ['6679', 'O', 'z', 't', '2785', '3541', 'P', 'a', '1515', 'W', 'k', 'v', '975', 't', '8027', 'D', '8461', '2865', 'C', 'P', 'i', 'H', 'L', 's', 'c', 'F', 'z', 'X', '3515']

3541Pa1515Wkv