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, 8, ['4719', 'Y', 'e', '7571', 'R', '5053', '3263', 'l', 'n', '5109', 'Q', 'z', 'D', 'f', '55', 'k', '4807', '8187']

50533263l