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: 13, 18, ['K', 'r', '5953', '8713', 'e', 'F', 'D', '203', '1799', 'G', '6323', 'd', '8327', '9151', '5673', 'm', '3779', 'Y', 'J']

832791515673m3779Y