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: 4, 8, ['d', '721', '9503', '9731', '1269', 'K', 'x', '507', 'o', 'e', '3377', '571', '3159', 'G', 'b', '1569', '9607', '2689', 'T', '3965', '1473', 'J', '2399', '8407', 'z', 'k', '7131', '1765']

97311269Kx507