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: 11, 20, ['i', 'y', 'F', 'n', '8993', 'R', '8935', '3937', '1217', 'T', 'I', 'G', '3587', 'O', 'x', '3007', '8327', '1667', '2755', 'z']

IG3587Ox3007832716672755z