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: 12, 15, ['1621', 'i', '2395', 'H', 'H', '1681', 'K', 'Q', '427', 'J', 'u', '1317', '9141', '6603', '8943', 'm']

1317914166038943