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 find all elements of A from the ith element to the jth element, reverse the order in which they occur, and then concatenate them to output 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. Perform the operations in order, i.e., do not concatenate the elements and then reverse the string.
Input: 1, 6, ['819', '6025', 'w', '4611', '8645', '9491', 'y', 'h', '1473', 'Z', 'e', '6027', 'a', '2849', '4227', '6201']

949186454611w6025819