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, 21, ['5541', '5287', '9027', '977', 'L', 'h', '5857', '4583', '5621', '1225', '3189', '1563', 'c', '3775', 'i', '6045', '9043', '5755', 'V', '7435', 'I', '6321']

h585745835621122531891563c3775i604590435755V7435I