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, 25, ['8437', '7149', '6663', 'S', '5481', 'H', 'H', 'j', '9483', 'W', 'o', 'n', '2795', 't', '5745', 'c', '2053', 'D', '2475', '9209', '5335', 'W', 'W', '2615', 'K', '6279', '2707']

HHj9483Won2795t5745c2053D247592095335WW2615K