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: 6, 16, ['G', 'F', '5669', 'p', '6085', '6469', '8997', '1867', 'p', '807', 'B', '1101', 'R', '3931', '9425', 'W', 'j', '6457', 'i', '9043', 'G', 'Y', 'u', '9993', 'o', '6467', 'u']

646989971867p807B1101R39319425W