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: 8, 14, ['J', 'U', 'L', 'X', 'W', 'G', '7467', '8235', 'g', 'b', '4353', '7669', 'I', '2541', 'P', 'B', 'a', '9415', 'E', '5473', 'A']

8235gb43537669I2541