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: 16, 23, ['l', '7471', 'j', 'p', '5669', '8899', 'C', '3945', 'k', '4205', 'l', 'P', 'p', 'A', 'A', '7849', 'B', 'p', 'B', '4203', '7563', 'R', 'F', '1179']

7849BpB42037563RF