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: 14, 20, ['6735', 'p', '7835', 'J', 'b', 't', 'N', '1545', '9525', 'y', 'I', 'W', '2155', '8945', '8183', '8141', 'O', 'f', '1957', '5387', 'y']

894581838141Of19575387