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: 6, 23, ['3763', '1369', 'r', '3867', '2205', '2065', '3279', 'a', '5493', '9077', 'F', '2527', '4833', 'Q', 'v', 'C', '4663', '8589', 'f', '6217', '643', 'C', 'S', '2621']

20653279a54939077F25274833QvC46638589f6217643CS