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, 4, ['u', 'M', 'G', 'A', 'y', 'S', '1519', '2629', 'u', 's', '9685', 'c', '1181', '7381', '4791', 't', '2581', '6655', '3785', 'A', '8917', '7599', 'K', '9389', '157', 'U']

uMGA