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, ['4707', '1701', '8139', 'a', 'm', '5171', '2745', 'S', 'E', 'E', 'q', '997', '6949', '703', '5909', '2113']

99769497035909