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: 18, 25, ['89', '9505', '15', 'I', 'N', 'T', '2225', '1721', '537', '451', 'H', '9301', 'R', 'Y', '5819', '9557', 'r', '8161', 'm', 'W', 'h', 'h', 'S', 'B', '8421', '795', 'X', '7453']

8161mWhhSB8421