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, 20, ['3239', '5015', '2215', 'e', 'V', '1959', '5619', '6773', 'E', '9017', '919', '5071', 'e', '8769', '8621', 'I', '8109', 'I', '4801', 'k', 'E', '9349', '5385', '5941']

195956196773E90179195071e87698621I8109I4801k