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: 15, 17, ['1537', 'V', '4587', 'r', '6589', '1293', '6529', '7187', '79', 'D', '9643', 'A', '7671', 'j', 'v', 'K', '1921']

vK1921