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: 6, 18, ['u', 'S', '8593', 't', 'P', '2649', '9521', 'T', 'S', '2429', '6111', 'O', '5287', '5567', 'y', 'E', 'T', 'U', 'M', '9783', '767', 'x']

26499521TS24296111O52875567yETU