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.

[EX Q]: 8, 10, ['f', 'F', '4775', 'F', 'w', 'r', 'v', 'S', 'N', '479', 'e', 'u', 'e', 'e', '2081']
[EX A]: 974NS

[EX Q]: 14, 17, ['7891', 'n', '3475', 'c', '3281', 'Y', 'R', '5745', '4195', 'c', 'r', 'D', '7707', 'V', '7313', '8857', '1849', '5591', '553', '8389', '3833', 'm', 'v', '3663', 'k', 'U', 'o', 'p']
[EX A]: 948175883137V

[EX Q]: 14, 14, ['5935', '9237', 'k', 'S', 't', '3425', '425', 'N', '8857', '4347', '8805', 'j', '2725', 'M']
[EX A]:
M