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', '2079', '643', 'i', '6567', 'B', '7849', '4007', 'x', '2863', 'N', '1279', '1271', 'p']

78494007