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, 10, ['8629', 'p', '621', '3685', 'm', '2585', 'L', 'T', 'S', '3847', 'c', '5505', 'p', 'b', 'Y', 'a', 'u', 'v', '1507', '5555', 'h', 'W', '9901', '3859']

2585LTS3847