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: 3, 10, ['2919', '7209', 'b', '4299', 'k', 'A', '9923', 'a', '3837', 'N', 't', '2085', '7257', 'H', 'Z', '3903', '3103', 'd', 'U']

b4299kA9923a3837N