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, 17, ['5469', 'N', '2979', '4799', '3599', '3339', 'r', 'O', '495', '1649', '75', 'A', '6663', '8097', 'T', '4223', '1111', '6869', '4289', '7789', 'l']

rO495164975A66638097T42231111