TASK DEFINITION: In this task, you are given inputs 'i', 'j', and A, where 'i' and 'j' are integers and A is a list. A list is shown by two brackets and comma-separated numbers and characters inside, like ['1', '12', 'l']. You need to concatenate all elements of A from the ith element to the jth element, and then reverse the resulting 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 reverse first and then concatenate.
PROBLEM: 2, 7, ['e', 's', '7009', 'z', 'I', '8649', '6405', '551', 'C', '5325', 'V', 'i', 'w', 'K', 'w', 'R']

SOLUTION: 50469468Iz9007s

PROBLEM: 10, 12, ['p', '6907', 'D', 'B', 'z', 'S', '3197', 'b', 'K', 'B', '2925', 'i', 'U', 'y', '5577', '1065', 'e', '7763', 's', '9493']

SOLUTION: i5292B

PROBLEM: 8, 17, ['9745', '7599', 'p', '7563', '7609', 'n', '3997', 'V', 'X', 'G', 'p', '5791', 'U', 'L', '507', '8511', 'Q', '5807', 'x', '9351', 'C', '8605', '9605', '4385', '8197', '9665']

SOLUTION:
Q1158705LU1975pGXV