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: 18, 22, ['R', '7403', 'b', 'R', 'y', '5343', '2589', '917', 'f', '5383', 'Q', 'f', '5491', 'j', 'v', '5073', '923', '5491', '6737', 't', 'S', 's']

54916737tSs