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: 16, 18, ['L', '7011', '1807', '7705', '8637', 'F', 'g', '7855', 'Z', 'a', '397', 'v', '6527', 'r', 'l', '301', '6341', 'H', '8463']

3016341H