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: Consider Input: 2, 2, ['m', 'k', '2393']

Output: k


Input: Consider Input: 3, 4, ['o', '9787', '2705', 'u', '2699']

Output: 2705u


Input: Consider Input: 2, 2, ['l', 'w']


Output: w


