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, 12, ['3827', 'S', '1345', '4967', 'K', 'W', 'J', '5051', '8981', 'W', 'e', '1701', '1069', '3445', 'z']

1701