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: 4, 16, ['t', 'i', 'j', 'L', 'W', '7721', '9623', 'N', 'l', '145', 'L', '4511', '6503', '4033', 'e', 'P', 'E', '2293', '3687', 'R', '8625', 'x', 'o']

LW77219623Nl145L451165034033eP