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: 5, 12, ['3979', 'l', 'g', '37', '8099', '2253', '8851', '4577', '4043', 'T', '3021', '5585', 'O', 'l', '111', 's', '6555', '8555', 'P']

80992253885145774043T30215585