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: 10, 21, ['1497', '3357', '9475', 'g', '963', '1603', '2431', 'G', 'M', 'd', 't', 'B', '5055', '3821', 'j', '311', '3367', 'y', '8545', '7699', '4021', '6327', '3953']

dtB50553821j3113367y854576994021