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.
--------
Question: 6, 7, ['E', 'A', 'd', 'a', 'S', '851', '8465', '3205', '5169', '7097', '1679', '3875', 'B', '4761']

Answer: 5648158


Question: 3, 6, ['A', '6949', '2045', '119', '1373', '9613']

Answer: 316937319115402


Question: 6, 9, ['g', '8491', '6733', '2531', '4499', '361', 'v', 'S', 'r', 'B', 'H', '7053', '1785', 'j', 'd']

Answer:
rSv163