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: 11, 12, ['781', '8745', '3285', '4169', '1331', 'B', '8955', '8519', '6365', '9415', 'u', '2623', 't', '2539', '5085', '4489', 'k']

u2623