TASK 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.
PROBLEM: 6, 15, ['7417', 'a', '479', 'E', '1575', '6937', '4649', '9879', '9875', 'c', '1671', 'K', '3773', '6999', 'J', '9889', 'q', '4099', 'r', '1859', 'W']

SOLUTION: J69993773K1671c9875987946496937

PROBLEM: 1, 7, ['5833', '9957', '351', 'g', 't', 't', '8029', '6861', '8227', '7165', '3641']

SOLUTION: 8029ttg35199575833

PROBLEM: 12, 25, ['3683', 'h', 'Q', 'e', 'E', 'E', 'h', 'x', 'J', 'r', 'u', 'r', 'H', '8241', 'l', '9917', '9655', 'B', 'O', '5389', '8365', 'l', 'H', 'J', '1579', '2905', 'F', '3173', 't']

SOLUTION:
1579JHl83655389OB96559917l8241Hr