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: 2, 26, ['r', '353', 'B', 'H', 'F', 'U', '4837', '4725', '3409', 'U', 'k', 'm', '4803', '6453', 'K', 'g', 'i', '955', 'U', '9857', '3607', 'n', 'M', '8535', 'n', 'h', 'l', '1263', 'G', '9547']

353BHFU483747253409Ukm48036453Kgi955U98573607nM8535nh