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.

[Q]: 3, 8, ['6945', '2403', '7633', '2933', '1015', 'G', '7261', '9101', '6435', 'M']
[A]: 10191627G510133923367


[Q]: 1, 3, ['o', 'o', '4511', '9203', '6071', 'Q', '5337']
[A]: 1154oo


[Q]: 1, 2, ['y', '6773', '273', 't', 'E', '2991', '8471', 'j', '6109', 'J', '8927', '4969']
[A]:
3776y