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: 1, 9, ['W', 'a', 'x', '2863', '7469', '9525', 'm', 'y', '2099', '2239', 'x', '6541', '4419', '1751', 'X', '5387', '4043', 'U', 's', 'F', 'I', 'b', 'H', 'v', 'L', 'c', 'x']

Wax286374699525my2099