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, 16, ['2825', '7537', 'k', 'N', 'h', 'q', 'F', 'p', '9661', '4369', 'D', 'f', '3997', '3089', 'e', '2663', 'Y', 'b', 'y', 'o']

f39973089e2663