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: 7, 8, ['1469', '8189', '9623', '393', '8553', 'a', 'f', 'f', 'x', '4155', '2075', '5295', '6955']

ff