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.

Ex Input:
4, 6, ['1399', 'd', 'X', '4795', 'H', 'R']

Ex Output:
4795HR


Ex Input:
2, 6, ['s', 'C', 'T', 'o', '219', '9623', 'q', 'M', 's', 'p', '8907', '19']

Ex Output:
CTo2199623


Ex Input:
4, 7, ['5673', 'A', '4077', '9395', 'v', '8693', '8601']

Ex Output:

9395v86938601