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, 12, ['1477', '3063', 'a', 'v', 'F', 'J', '9227', '5867', 'X', '6357', '6721', 'Y', 'o', 't', '9039', '979']

14773063avFJ92275867X63576721Y