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:
6, 7, ['R', '4581', 'r', '8391', 'D', '4973', '8835', 'Q', 'Y', '2441']
answer:
88354973


question:
14, 19, ['z', '1543', 'b', 'd', '3025', '4649', '1171', '3355', '307', 'u', 'v', '1651', 'U', '9105', 'I', 'p', 'L', 'N', '9843', 'm']
answer:
9843NLpI9105


question:
9, 18, ['c', 's', '9233', 'g', '4521', 'V', 'K', '7825', 'N', '6019', '2979', '1739', 'o', 'G', '5961', 'Y', 'Z', '5113', 'E', '7883', 'r', 'X', 'B']
answer:

5113ZY5961Go173929796019N