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, 25, ['23', 'E', 'N', 'Z', 'q', '6861', 'f', '9387', '8301', '6787', '6957', '1887', 'a', '6867', 'c', '861', 'O', '775', 'd', '4895', 'e', 'n', '4097', '823', '9333', '6929', 'K', '8757', 'B', '7399']

f93878301678769571887a6867c861O775d4895en40978239333