instruction:
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.
question:
2, 3, ['W', 'Y', '6265', 'D']
answer:
6265Y


question:
5, 20, ['5377', 'j', 'j', '1767', '2103', '9547', 'I', 'M', '4067', '2571', 'V', 'Z', 'O', '3421', 'V', 'v', '4919', 'X', '307', 'M', '1603']
answer:
M307X4919vV3421OZV25714067MI95472103


question:
4, 11, ['h', '7841', '1089', 'r', 'Z', 'u', 'e', 'D', '2691', '4551', 'G', 'x', '2719', '7083', 'H', 'T', 'C', 'B']
answer:

G45512691DeuZr