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: 1, 14, ['3399', '6607', '8307', '6861', 'O', 'L', '8747', 'x', 'a', '5929', '2655', 'e', '425', '1011', 'l', 'i', 'm', 'i']

3399660783076861OL8747xa59292655e4251011