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, 9, ['t', 't', 'E', 'c', 'z', 'W', 'U', '1851', 'K', 'w', '9289', '2191', '3665', 'g', 'B', '5035', 'B', '4783', 'N', 'A']

WU1851K