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.

Example Input: 1, 4, ['6945', 'D', 'a', 's', 'q', 'M']
Example Output: 6945Das

Example Input: 11, 11, ['8463', '9147', 'A', '8063', '8771', '955', 'c', '1821', '9631', 'U', '7979']
Example Output: 7979

Example Input: 2, 5, ['1431', 'L', 'g', 'R', '1431', 'e', 'q', '4701']
Example Output:
LgR1431