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, 12, ['R', '1877', 'T', 'V', 'd', '7707', 'v', '7715', 'm', 'e', '8143', '6731', '8671', '2301', '1281', 'P', '3143', 'N', 'A', '4661', '2003', '8843', '8909', '1637', '1867', 'K', 'h']

v7715me81436731