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: 2, 5, ['o', '5133', 'Z', '6947', 'n', 'n', '3639', '7403', '1633', 'o', 'y', '8633', 'T', '5849', 'Q', 'K', 'U']

5133Z6947n