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: 11, 18, ['a', '5579', '2133', '5683', '4083', '8907', 'l', 'A', 'd', 'O', 'U', 'j', '4671', '4333', 'G', 'q', '6337', '171', '2433', 'U', '1837', 'f', 'k', '5771', 'i', '4295', '1171', '3413', '8169']

Uj46714333Gq6337171