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: 8, 21, ['9795', 'K', '9853', 'Y', '6093', '3803', 'M', '7545', '1255', '3137', 'd', 'N', '9979', '1231', 'l', '4469', '7449', '6739', '1725', 'p', '1197']

754512553137dN99791231l4469744967391725p1197