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: 1, 9, ['1447', '6577', '961', '1405', '1575', 't', '3715', 'R', 'k', '1215']

1447657796114051575t3715Rk