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, 11, ['I', 'U', '1645', 'i', '7585', '5899', 'x', '9689', '8165', 'r', '1891', '5793', 'h', '4979', 'y', 'b', '8529', '9405', '3363', '3965', 'l', '4419', 'J', 'x', 't']

1645i75855899x96898165r1891