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, 15, ['u', '4285', 'P', '7785', '9263', '4319', 'x', 'e', 'A', 'N', 'h', 'R', 'L', 'a', '7171', 't']

u4285P778592634319xeANhRLa7171