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, 13, ['K', 'O', 'I', '5587', '2301', '5083', '6683', '1973', 'r', 'S', 'Q', 'B', 'q', '1845', 'z', '8501']

KOI55872301508366831973rSQBq