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, 7, ['u', '9189', 'r', '7469', '9609', '1083', 'R', '6471', 'W', '7163', 'C', 'n', 'e', 'H', 'R', '5255', 'k', 'a', 'o', '2567', 'Y', '4167', '1021', '3257', '6997', 't']

u9189r746996091083R