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 concatenate all elements of A from the ith element to the jth element, and print 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.
question:
8, 17, ['n', 'J', '1341', 'd', '3461', 'H', '7783', '979', 'Y', 'y', 'O', '5117', 'R', '6851', '2159', 'C', '1949', 'O', '603', 'E', '2509', '7585', '7963']
answer:
979YyO5117R68512159C1949


question:
10, 12, ['1821', '663', 'w', '6961', 'R', 'e', '1137', '2003', '5241', 'p', 'T', 'r']
answer:
pTr


question:
2, 15, ['423', 'Y', 'a', '5131', 'f', '3769', '6889', '2209', '3005', 's', 'v', '8317', 'q', '3849', '847', 'X', '151', 'M', '935', '2105', '5827', '897', 'W']
answer:

Ya5131f3769688922093005sv8317q3849847