Given the task definition and input, reply with output. 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.

7, 8, ['3187', 'k', 'G', '6253', 'd', '7367', '4029', 'K', 'f', 'U', 'c', '9329', 'M', 'N', '3125', '5411', '6173', 'W']

4029K